Gas Volume Water Heater Brand Ranking

Shengdu Sunshine belongs to Guangdong Shunde Optics Valley Thermal Energy Technology Co., Ltd., which built a product research and development and manufacturing base in Shunde, China in 2013. It is the earliest domestically engaged in commercial combustion module furnaces, combustion volume heaters, and storage. One of the enterprises that develop, produce and sell white-type electric water heaters and energy storage electric module furnaces. The company has now developed into a modern enterprise with strong R&D strength, advanced production and testing equipment, perfect management systems and developed after-sales network. ⼗For many years, the company has always adhered to the "people-oriented" business philosophy, strictly implemented 7S management, paid attention to product and technology innovation, and had strong technical strength. The products win by professionalism and quality. The products have successively passed the "ISO9001/14001/25001 International Quality System Certification", "Energy Saving and Environmental Protection Certification", "China's National Mandatory Product Certification Certificate", and other related certifications and safety standards. Since its founding, the Sunshine of Shengdu has been full of honors and dreams and has won various awards. Among them, low-nitrogen condensation combustion and central thermal energy saving technology are at the forefront of the industry. It adopts low-nitrogen condensation frequency conversion combustion technology, with thermal efficiency up to 105%, and ultra-low nitrogen oxide emissions ≤30mg/m3. Unique module mutual For backup use, no dedicated supervision is required. The electric heater uses Swedish Ingley 800 heating body, Schneider AC contactor, anti-corrosion and leakage-proof stainless steel inner liner, which can be connected to WIFI remote control, intelligent Tmall Genie voice control, efficient and energy-saving, safe and reliable . Over the years, it has been applied in hundreds of hotels, swimming pools, schools, institutions and other projects and has received unanimous praise from engineers and end users! Through years of accumulation, in the field of commercial heating, Shengdu Sunshine has become one of the main brands of "coal to water" and "coal to electricity" hot water heating in the north, and has won consecutive bids on Beijing, Hebei, Henan, The clean and heat heating projects of nearly 100 local governments such as East, ⼭⻄, Shaanxi, North, and Northeast provide comfortable and energy-saving baths for nearly one million families in the north. Heating and heating, among which the 1 million square meters of centralized heating and heating project of the University of Nuclear Energy Technology in Xiongan New District, Hebei has become the benchmark for centralized heating in the north; in real estate procurement projects, it has become Sunac Real Estate and Shimao Strategic centralized procurement suppliers such as real estate, Evergrande Real Estate, Country Garden; in the field of commercial thermal heating applications, it occupies half of the commercial market with its systematic integration advantages such as high energy efficiency, high stability, and efficient services. Since our creation, we have always been committed to developing and strengthening the commercial heating industry, serving hundreds of millions of households around the world, providing a powerful engine for the sustainable development of the human economy, and making efforts for the cause of human environmental protection. Deserved contribution.

Santosunshine

Guangdong Shunde Optics Valley Thermal Energy Technology Co., Ltd.

Shengdu Sunshine belongs to Guangdong Shunde Optics Valley Thermal Energy Technology Co., Ltd., which built a product research and development and manufacturing base in Shunde, China in 2013. It is the earliest domestically engaged in commercial combustion module furnaces, combustion volume heaters, and storage. One of the enterprises that develop, produce and sell white-type electric water heaters and energy storage electric module furnaces. The company has now developed into a modern enterprise with strong R&D strength, advanced production and testing equipment, perfect management systems and developed after-sales network. ⼗For many years, the company has always adhered to the "people-oriented" business philosophy, strictly implemented 7S management, paid attention to product and technology innovation, and had strong technical strength. The products win by professionalism and quality. The products have successively passed the "ISO9001/14001/25001 International Quality System Certification", "Energy Saving and Environmental Protection Certification", "China's National Mandatory Product Certification Certificate", and other related certifications and safety standards. Since its founding, the Sunshine of Shengdu has been full of honors and dreams and has won various awards. Among them, low-nitrogen condensation combustion and central thermal energy saving technology are at the forefront of the industry. It adopts low-nitrogen condensation frequency conversion combustion technology, with thermal efficiency up to 105%, and ultra-low nitrogen oxide emissions ≤30mg/m3. Unique module mutual For backup use, no dedicated supervision is required. The electric heater uses Swedish Ingley 800 heating body, Schneider AC contactor, anti-corrosion and leakage-proof stainless steel inner liner, which can be connected to WIFI remote control, intelligent Tmall Genie voice control, efficient and energy-saving, safe and reliable . Over the years, it has been applied in hundreds of hotels, swimming pools, schools, institutions and other projects and has received unanimous praise from engineers and end users! Through years of accumulation, in the field of commercial heating, Shengdu Sunshine has become one of the main brands of "coal to water" and "coal to electricity" hot water heating in the north, and has won consecutive bids on Beijing, Hebei, Henan, The clean and heat heating projects of nearly 100 local governments such as East, ⼭⻄, Shaanxi, North, and Northeast provide comfortable and energy-saving baths for nearly one million families in the north. Heating and heating, among which the 1 million square meters of centralized heating and heating project of the University of Nuclear Energy Technology in Xiongan New District, Hebei has become the benchmark for centralized heating in the north; in real estate procurement projects, it has become Sunac Real Estate and Shimao Strategic centralized procurement suppliers such as real estate, Evergrande Real Estate, Country Garden; in the field of commercial thermal heating applications, it occupies half of the commercial market with its systematic integration advantages such as high energy efficiency, high stability, and efficient services. Since our creation, we have always been committed to developing and strengthening the commercial heating industry, serving hundreds of millions of households around the world, providing a powerful engine for the sustainable development of the human economy, and making efforts for the cause of human environmental protection. Deserved contribution.

Hamler HAMLE, belongs to Hamler (Suzhou) Thermal Technology Co., Ltd., which is engaged in the research, development, production and sales of energy-saving products. As a manufacturer of commercial volume gas/electric water furnaces and commercial low-nitrogen hot water boilers, it brings a new concept to China's heating and domestic hot water with safe and reliable quality assurance. Hamler HAMLE has strong R&D, production and service capabilities, a professional R&D team, excellent manufacturing equipment, products meet national environmental protection and quality requirements, and complete varieties and specifications. Hamler HAMLE always adheres to reliable products and perfect services, and customizes system solutions for customers throughout the entire cycle from design, manufacturing, installation and commissioning. Hamler HAMLE always pursues the craftsman spirit of "quality first, service first", is guided by market demand, and strictly implements the company's business strategy of "technology leading, quality leading, service leading", keeping pace with the times and surpassing innovation.

HAMLE

Hamler (Suzhou) Thermal Technology Co., Ltd.

Hamler HAMLE, belongs to Hamler (Suzhou) Thermal Technology Co., Ltd., which is engaged in the research, development, production and sales of energy-saving products. As a manufacturer of commercial volume gas/electric water furnaces and commercial low-nitrogen hot water boilers, it brings a new concept to China's heating and domestic hot water with safe and reliable quality assurance. Hamler HAMLE has strong R&D, production and service capabilities, a professional R&D team, excellent manufacturing equipment, products meet national environmental protection and quality requirements, and complete varieties and specifications. Hamler HAMLE always adheres to reliable products and perfect services, and customizes system solutions for customers throughout the entire cycle from design, manufacturing, installation and commissioning. Hamler HAMLE always pursues the craftsman spirit of "quality first, service first", is guided by market demand, and strictly implements the company's business strategy of "technology leading, quality leading, service leading", keeping pace with the times and surpassing innovation.

Shafeier, belongs to Chongqing Sanwen Nuan Electric Co., Ltd., the brand is registered in Australia in 2010. It is a professional manufacturer focusing on the production of hot water equipment, focusing on the system design and research and development of hot water in the domestic/commercial hot water field. Products Designed in synchronization with Australia, technical research and development and strict quality control to ensure the excellent quality of SHAFEIER products, which supplies a full range of hot water and heating products from home to commercial use. The products cover two major areas: household and commercial: household products include volumetric electric water heaters, volumetric gas water heaters, and household central hot water. Commercial products include commercial volumetric gas water heaters and commercial volumetric electric water heaters. SHAFEIER continues to innovate, relying on the Australian AGA standard and the global volume water heater industry international standards, it has developed efficient, energy-saving and environmentally friendly products for Chinese users, bringing users a comfortable water use experience. Sanwen Nuan Electric Co., Ltd. was founded in 1995. It is a modern enterprise specializing in the research and development, manufacturing and sales of central water heater systems and kitchen and bathroom appliances. It is the first professional gas volume water heater and commercial water heater in China. Manufacturer, is the first to participate in the formulation

Shafeier

Chongqing Sanwennuan Electric Co., Ltd.

Shafeier, belongs to Chongqing Sanwen Nuan Electric Co., Ltd., the brand is registered in Australia in 2010. It is a professional manufacturer focusing on the production of hot water equipment, focusing on the system design and research and development of hot water in the domestic/commercial hot water field. Products Designed in synchronization with Australia, technical research and development and strict quality control to ensure the excellent quality of SHAFEIER products, which supplies a full range of hot water and heating products from home to commercial use. The products cover two major areas: household and commercial: household products include volumetric electric water heaters, volumetric gas water heaters, and household central hot water. Commercial products include commercial volumetric gas water heaters and commercial volumetric electric water heaters. SHAFEIER continues to innovate, relying on the Australian AGA standard and the global volume water heater industry international standards, it has developed efficient, energy-saving and environmentally friendly products for Chinese users, bringing users a comfortable water use experience. Sanwen Nuan Electric Co., Ltd. was founded in 1995. It is a modern enterprise specializing in the research and development, manufacturing and sales of central water heater systems and kitchen and bathroom appliances. It is the first professional gas volume water heater and commercial water heater in China. Manufacturer, is the first to participate in the formulation

Otmer, belongs to Otmer New Energy Co., Ltd., was established in 1994. Otmer is Dr. Shan Qirui, who led the Keqing team to introduce advanced Swedish boiler manufacturing technology and technology, creating the industry's most technologically advanced technology. Commercial volume electric water heaters and fully premixed gas water heaters are exported to more than a dozen countries including Sweden, Norway, Germany, and the Czech Republic. As a leading brand in the clean heating industry, the company has been established with a total fixed assets of 200 million yuan, covering an area of ​​20,000 square meters, an annual output value of nearly 70 million yuan, and an annual output of 6,000 units. The company continues to introduce advanced international (Finland, Sweden, the United States, Germany) production equipment (such as enamel production lines, CNC punching machines, laser cutting slabs, CNC bending slabs, machine welding slabs, spray electrophoretic surface treatment and other equipment) and inspection equipment. It also has a development team composed of experienced professional and technical personnel in the industry. The company's production scale, processing strength and product quality rank among the best in the industry, and has won unanimous praise from Chinese consumer organizations and the industry many times. The company has passed the certification of ISO09001:2008 international quality management system, ISO14001:2015 environmental management embodiment and GB/T28001-2011 occupational health and safety management system, fully implemented the "5s" standardized operation, and used the international advanced ERP management system to ensure the product. Quality, lead time and service meet customer needs. The company takes "quality victory, integrity as the basis, customer satisfaction" as its corporate purpose, adheres to the quality policy of "striving excellence and constantly meeting customer needs", pursues excellent design and advanced technology as its goal, and takes high quality and high quality as its goal. Pursuing, focusing on product development and development, constantly improving strength, and striving to enter the top 3 global industry.

Ottmel

Dongying Outmer New Energy Co., Ltd.

Otmer, belongs to Otmer New Energy Co., Ltd., was established in 1994. Otmer is Dr. Shan Qirui, who led the Keqing team to introduce advanced Swedish boiler manufacturing technology and technology, creating the industry's most technologically advanced technology. Commercial volume electric water heaters and fully premixed gas water heaters are exported to more than a dozen countries including Sweden, Norway, Germany, and the Czech Republic. As a leading brand in the clean heating industry, the company has been established with a total fixed assets of 200 million yuan, covering an area of ​​20,000 square meters, an annual output value of nearly 70 million yuan, and an annual output of 6,000 units. The company continues to introduce advanced international (Finland, Sweden, the United States, Germany) production equipment (such as enamel production lines, CNC punching machines, laser cutting slabs, CNC bending slabs, machine welding slabs, spray electrophoretic surface treatment and other equipment) and inspection equipment. It also has a development team composed of experienced professional and technical personnel in the industry. The company's production scale, processing strength and product quality rank among the best in the industry, and has won unanimous praise from Chinese consumer organizations and the industry many times. The company has passed the certification of ISO09001:2008 international quality management system, ISO14001:2015 environmental management embodiment and GB/T28001-2011 occupational health and safety management system, fully implemented the "5s" standardized operation, and used the international advanced ERP management system to ensure the product. Quality, lead time and service meet customer needs. The company takes "quality victory, integrity as the basis, customer satisfaction" as its corporate purpose, adheres to the quality policy of "striving excellence and constantly meeting customer needs", pursues excellent design and advanced technology as its goal, and takes high quality and high quality as its goal. Pursuing, focusing on product development and development, constantly improving strength, and striving to enter the top 3 global industry.

OAOSM, belongs to Guangdong OAOSM Energy Saving Equipment Co., Ltd., has established a product testing center according to China's national standards, and has built multiple fully automated production lines, with an annual output of 100,000 wall-mounted furnaces, more than 20,000 central gas module furnaces and 1 The production capacity of more than 10,000 volumetric water hot water furnaces. It also owns three major brands: "OAOSM", "DEVSPA" and "Devispa". The company's products have won more than ten national patents, and have obtained a national industrial product production license with credibility in the industry, a gas burning appliance installation and maintenance enterprise qualification certificate, and ISO9001, ISO14001, OHSAS18001 and other certifications. Scientific design concept, fully automated production equipment and excellent testing equipment ensure that the product's indicators and quality reach the world's excellent level, and the product performance and quality are comparable to that of the world's excellent brands. Headquartered in Germany, Wisp Group Co., Ltd., was established in Germany in 1988 to produce thermal products. It has always been the corporate philosophy of serving the world, scientific and technological innovation, and manufacturing practical products that are energy-saving and environmentally friendly, and has been unanimously praised by the majority of users and won the favor of the market. After years of development, the business has expanded rapidly to the world and has set up independent R&D and production bases in many countries and regions. The company has always adhered to the concept of "honesty management, sincere service, great innovation, and high-quality products" and strictly carried out production and operation in accordance with the ISO9001-2000 system. Looking to the future, the company will uphold the spirit of enterprising spirit and strive to create comfortable, energy-saving and environmentally friendly products for consumers, provide integrated hot water and heating solutions for Chinese users, create a warm and freehand home life, and serve Chinese consumption. .

OAOSM

Guangdong Ousiman Energy-saving Equipment Co., Ltd.

OAOSM, belongs to Guangdong OAOSM Energy Saving Equipment Co., Ltd., has established a product testing center according to China's national standards, and has built multiple fully automated production lines, with an annual output of 100,000 wall-mounted furnaces, more than 20,000 central gas module furnaces and 1 The production capacity of more than 10,000 volumetric water hot water furnaces. It also owns three major brands: "OAOSM", "DEVSPA" and "Devispa". The company's products have won more than ten national patents, and have obtained a national industrial product production license with credibility in the industry, a gas burning appliance installation and maintenance enterprise qualification certificate, and ISO9001, ISO14001, OHSAS18001 and other certifications. Scientific design concept, fully automated production equipment and excellent testing equipment ensure that the product's indicators and quality reach the world's excellent level, and the product performance and quality are comparable to that of the world's excellent brands. Headquartered in Germany, Wisp Group Co., Ltd., was established in Germany in 1988 to produce thermal products. It has always been the corporate philosophy of serving the world, scientific and technological innovation, and manufacturing practical products that are energy-saving and environmentally friendly, and has been unanimously praised by the majority of users and won the favor of the market. After years of development, the business has expanded rapidly to the world and has set up independent R&D and production bases in many countries and regions. The company has always adhered to the concept of "honesty management, sincere service, great innovation, and high-quality products" and strictly carried out production and operation in accordance with the ISO9001-2000 system. Looking to the future, the company will uphold the spirit of enterprising spirit and strive to create comfortable, energy-saving and environmentally friendly products for consumers, provide integrated hot water and heating solutions for Chinese users, create a warm and freehand home life, and serve Chinese consumption. .

Mira is a British company that focuses on shower products, including shower enclosures, mixers, and electric showers. Known for its reliability and performance, Mira is a trusted name in the UK and international markets.

Mira

Mira Showers Limited

Mira is a British company that focuses on shower products, including shower enclosures, mixers, and electric showers. Known for its reliability and performance, Mira is a trusted name in the UK and international markets.

Ariston is an Italian brand offering innovative and energy-efficient wall-mounted boilers for modern homes.

Ariston

Ariston Thermo Group

Ariston is an Italian brand offering innovative and energy-efficient wall-mounted boilers for modern homes.

Junkers, a subsidiary of Bosch, is known for its affordable and reliable wall-mounted boilers.

Junkers

Junkers GmbH

Junkers, a subsidiary of Bosch, is known for its affordable and reliable wall-mounted boilers.

Takagi offers a range of tankless water heaters, known for their durability and energy efficiency.

Takagi

Takagi Industrial Co., Ltd.

Takagi offers a range of tankless water heaters, known for their durability and energy efficiency.

Originating from Europe and Italy in 1955, Faroli Group enjoys the reputation of "World Hot Value Bank", focusing on the field of thermal energy, and becoming a leading brand in the world's thermal energy industry with its innovative spirit and tireless pursuit of quality. Faroli Group has the most complete product line in the thermal energy industry. At the same time, Faroli has a total investment of more than US$72 million in China, making it the largest foreign-invested thermal energy enterprise in China. Faroli thermal energy product series: condensation and conventional wall-mounted boilers, heat collectors, solar heat collectors, radiators, and steel boilers. Development history: 1958 The Italian government ordered more than 2,000 Faroe gas boilers for key residential projects 1960 To meet industrial needs, cast iron boilers and steel boilers were produced 1971 began to produce cast iron radiators 1972 Faroli (Germany) Company was established 1975 Established IMA to produce aluminum radiators 1976 began to produce heating and sanitary hot water cast iron dual-purpose furnaces 1977 Faroli (France) Company was established 1978 Faroe manufactures the first improved copper heat exchanger 1982 Faroli (Spain) Company was established 1985 Faroli annexes competitor FER 1991 Faroli (Germany) Dresden Factory was completed 1992Faroli (Türkiye) Company was established 1996 Faroli (Poland) Company was established; Faroli (UK) Company was established 1998 Faroli Company acquired the famous German factory RAPIDO 2000 Qingdao Faroli HVAC Temperature Control Technology Equipment Manufacturing Co., Ltd. established Faroli (Netherlands) AGPO Company established 2002 Faroli Group acquires Lamborghini Thermal Technology Company 2004 Faroli is fully operating Biliqi. In 2009, it was renamed Faroli Thermal Equipment (China) Co., Ltd.

Ferroli

Qingdao Ferrolux HVAC Temperature Control Technology & Equipment Manufacturing Co., Ltd.

Originating from Europe and Italy in 1955, Faroli Group enjoys the reputation of "World Hot Value Bank", focusing on the field of thermal energy, and becoming a leading brand in the world's thermal energy industry with its innovative spirit and tireless pursuit of quality. Faroli Group has the most complete product line in the thermal energy industry. At the same time, Faroli has a total investment of more than US$72 million in China, making it the largest foreign-invested thermal energy enterprise in China. Faroli thermal energy product series: condensation and conventional wall-mounted boilers, heat collectors, solar heat collectors, radiators, and steel boilers. Development history: 1958 The Italian government ordered more than 2,000 Faroe gas boilers for key residential projects 1960 To meet industrial needs, cast iron boilers and steel boilers were produced 1971 began to produce cast iron radiators 1972 Faroli (Germany) Company was established 1975 Established IMA to produce aluminum radiators 1976 began to produce heating and sanitary hot water cast iron dual-purpose furnaces 1977 Faroli (France) Company was established 1978 Faroe manufactures the first improved copper heat exchanger 1982 Faroli (Spain) Company was established 1985 Faroli annexes competitor FER 1991 Faroli (Germany) Dresden Factory was completed 1992Faroli (Türkiye) Company was established 1996 Faroli (Poland) Company was established; Faroli (UK) Company was established 1998 Faroli Company acquired the famous German factory RAPIDO 2000 Qingdao Faroli HVAC Temperature Control Technology Equipment Manufacturing Co., Ltd. established Faroli (Netherlands) AGPO Company established 2002 Faroli Group acquires Lamborghini Thermal Technology Company 2004 Faroli is fully operating Biliqi. In 2009, it was renamed Faroli Thermal Equipment (China) Co., Ltd.

Elco is a German company specializing in heating systems. Its gas-fired water heaters are recognized for their energy efficiency and robust construction.

Elco

ELCO GmbH

Elco is a German company specializing in heating systems. Its gas-fired water heaters are recognized for their energy efficiency and robust construction.

South Korea's Gyeongna Bi'an Group is a professional thermal energy group. Its current business areas involve boilers, urban gas, mining, energy, automobiles, utilities, sightseeing and tourism, and is a large enterprise group spanning multiple industries. Annual sales have exceeded US$1 billion. South Korea's Gyeongna Bi'an Boiler is the only listed company in the Korean boiler industry. It has three large boiler production factories in China, including Pyeongze, Songtan and the third, with an annual production volume of more than 1 million units. The products are divided into wall-mounted gas boilers, oil-fired boilers, electric boilers, vacuum water heater units, absorption water cooling and cooling machines, etc. The circulation network covers the country of South Korea, with a total of 6 major business offices, 10 consumer protection centers, and more than 300 sales and after-sales service centers. The annual sales of South Korea exceed US$200 million, with sales of 80,000 units, including 50,000 gas boilers, 20,000 oil-fired boilers, and 10,000 other products. Since the completion of the Pyeongtaek factory in 1979, it has become a leader in the domestic gas and oil boiler market in South Korea. Technical cooperation with the Netherlands NEFIT Company in 1988 enabled Qingdong Boiler to usher in a new era of gas boiler that is both energy-saving and environmentally friendly. The Institute of Energy Technology is a national-level gas technology research institute in South Korea, leading the new development of South Korea's gas technology!

NAVIEN

Beijing Kyungdong Navien Thermal Equipment Co., Ltd.

South Korea's Gyeongna Bi'an Group is a professional thermal energy group. Its current business areas involve boilers, urban gas, mining, energy, automobiles, utilities, sightseeing and tourism, and is a large enterprise group spanning multiple industries. Annual sales have exceeded US$1 billion. South Korea's Gyeongna Bi'an Boiler is the only listed company in the Korean boiler industry. It has three large boiler production factories in China, including Pyeongze, Songtan and the third, with an annual production volume of more than 1 million units. The products are divided into wall-mounted gas boilers, oil-fired boilers, electric boilers, vacuum water heater units, absorption water cooling and cooling machines, etc. The circulation network covers the country of South Korea, with a total of 6 major business offices, 10 consumer protection centers, and more than 300 sales and after-sales service centers. The annual sales of South Korea exceed US$200 million, with sales of 80,000 units, including 50,000 gas boilers, 20,000 oil-fired boilers, and 10,000 other products. Since the completion of the Pyeongtaek factory in 1979, it has become a leader in the domestic gas and oil boiler market in South Korea. Technical cooperation with the Netherlands NEFIT Company in 1988 enabled Qingdong Boiler to usher in a new era of gas boiler that is both energy-saving and environmentally friendly. The Institute of Energy Technology is a national-level gas technology research institute in South Korea, leading the new development of South Korea's gas technology!

The Fisman Group is one of the world's well-known manufacturers of heating, refrigeration and air conditioning systems. The family-owned business, founded in 1917, has 14,500 employees and the group's annual sales are 4 billion euros. Fisman Group is also an international enterprise, with 22 production bases in 12 countries around the world, subsidiaries and 120 sales branches in 74 countries, and its overseas sales share accounts for 56%. The Fisman Group entered the Chinese market in 1997. In 2001, Beijing Fisman Heating Technology Co., Ltd., a subsidiary of Germany's Fisman Group in China, was officially established in Beijing, and a new factory was established in Pinghu, Zhejiang Province in 2019. Today, Fisman already has about 300 employees in China and has offices in Xi'an, Nanjing and Chengdu. With the rapid development of retail network in recent years, Fismann's partners in China have spread across all provinces across the country. Fesman's full range of products provides personalized solutions and systems for all application areas and energy types, with power ranging from 1.5 to 120,000kW. These products include condensation wall furnaces from 1.9 to 150kW, condensation floor furnaces from 1.9 to 6000kW, and cogeneration equipment from 0.75 to 530kWel (power generation) or 1.0 to 660kWth (heating). Cogeneration equipment can also use clean energy sources such as natural gas or biogas, and Fismann can also supply biogas as part of the service. Fisman provides renewable energy systems including: flat-panel and vacuum tube solar collectors, which can be used to heat domestic hot water, heating assistance and refrigeration; using wood (large chunks, wood blocks and wood biological particles) Special heating boilers and combustion equipment have power ranges from 2.4 kW to 50 MW; Fesman also provides ground source heat pumps, water source heat pumps, and air source heat pumps with power ranges from 1.7 to 2000 kW, and in addition to photovoltaic power generation systems. For local heating networks and biomass boilers, Fisman also provides one-stop service, from preliminary feasibility studies and detailed planning to provide all required components such as biogas equipment, cogeneration, heating system circulation pipelines and Household heating solutions to installation and trial operation. Fisman Group provides a full range of products such as cold storage, freezer and refrigerator units in the refrigeration field, as well as food refrigeration solutions, accessories and after-sales services.

Viessmann

Viessmann Heating Technology (Beijing) Co., Ltd.

The Fisman Group is one of the world's well-known manufacturers of heating, refrigeration and air conditioning systems. The family-owned business, founded in 1917, has 14,500 employees and the group's annual sales are 4 billion euros. Fisman Group is also an international enterprise, with 22 production bases in 12 countries around the world, subsidiaries and 120 sales branches in 74 countries, and its overseas sales share accounts for 56%. The Fisman Group entered the Chinese market in 1997. In 2001, Beijing Fisman Heating Technology Co., Ltd., a subsidiary of Germany's Fisman Group in China, was officially established in Beijing, and a new factory was established in Pinghu, Zhejiang Province in 2019. Today, Fisman already has about 300 employees in China and has offices in Xi'an, Nanjing and Chengdu. With the rapid development of retail network in recent years, Fismann's partners in China have spread across all provinces across the country. Fesman's full range of products provides personalized solutions and systems for all application areas and energy types, with power ranging from 1.5 to 120,000kW. These products include condensation wall furnaces from 1.9 to 150kW, condensation floor furnaces from 1.9 to 6000kW, and cogeneration equipment from 0.75 to 530kWel (power generation) or 1.0 to 660kWth (heating). Cogeneration equipment can also use clean energy sources such as natural gas or biogas, and Fismann can also supply biogas as part of the service. Fisman provides renewable energy systems including: flat-panel and vacuum tube solar collectors, which can be used to heat domestic hot water, heating assistance and refrigeration; using wood (large chunks, wood blocks and wood biological particles) Special heating boilers and combustion equipment have power ranges from 2.4 kW to 50 MW; Fesman also provides ground source heat pumps, water source heat pumps, and air source heat pumps with power ranges from 1.7 to 2000 kW, and in addition to photovoltaic power generation systems. For local heating networks and biomass boilers, Fisman also provides one-stop service, from preliminary feasibility studies and detailed planning to provide all required components such as biogas equipment, cogeneration, heating system circulation pipelines and Household heating solutions to installation and trial operation. Fisman Group provides a full range of products such as cold storage, freezer and refrigerator units in the refrigeration field, as well as food refrigeration solutions, accessories and after-sales services.

In 1866, Britain entered the industrial revolution, and the rapid expansion of factories and the large-scale use of coal brought about a nightmare of "fog city" that plagued Britain for many years - smoke pollution. The sharp deterioration of the environment has led entrepreneurs to reflect on the balance between production and environmental protection. One of the representative figures, Richard Baxendale, founder of the British Baxi BAXI brand, officially established his own company and launched environmentally friendly heating products with a forward-looking vision. It has developed into the main force of environmental reform in the UK and opened the Eighth Heating Era. Taking this as the starting concept, Baxi has always paid attention to the environment and life for more than 100 years, and regards environmental protection and quality as its brand mission. In the UK, Baxi has always been at the forefront. After more than 150 years of development, Baxi today has a cutting-edge R&D team and production base in the industry. Relying on years of technical accumulation and innovation experience, Baxi has gradually launched a whole-house comfort system and a one-stop service system to meet different users and scenarios. Diversified home comfort needs and enhance the user's happiness in life in multiple ways. At the same time, from gas heating, condensation technology to heat pump systems, cogeneration of heat and power, multi-energy systems to full hydrogen energy, etc. Baxi BAXI promotes energy transformation with diversified low-carbon solutions, truly achieving "lower carbon and happy life". In 1995, Baxi officially entered the Chinese market. Integrating good products and good services, Baxi is favored by the Chinese market, especially mid-to-high-end users, and realizes strategic collection and cooperation with major real estate fine decoration projects; and serves in-depth services for various office buildings, factories, complexes and other building complexes . From the former "British BAXI Your caring British housekeeper" to today's "lower carbon life", Baxi has won the trust of consumers with its excellent quality and thoughtful service, bringing more than warm comfort to hundreds of millions of Chinese families Home experience.

BAXI

BDR Thermea (Zhejiang) Thermal Technology Co., Ltd.

In 1866, Britain entered the industrial revolution, and the rapid expansion of factories and the large-scale use of coal brought about a nightmare of "fog city" that plagued Britain for many years - smoke pollution. The sharp deterioration of the environment has led entrepreneurs to reflect on the balance between production and environmental protection. One of the representative figures, Richard Baxendale, founder of the British Baxi BAXI brand, officially established his own company and launched environmentally friendly heating products with a forward-looking vision. It has developed into the main force of environmental reform in the UK and opened the Eighth Heating Era. Taking this as the starting concept, Baxi has always paid attention to the environment and life for more than 100 years, and regards environmental protection and quality as its brand mission. In the UK, Baxi has always been at the forefront. After more than 150 years of development, Baxi today has a cutting-edge R&D team and production base in the industry. Relying on years of technical accumulation and innovation experience, Baxi has gradually launched a whole-house comfort system and a one-stop service system to meet different users and scenarios. Diversified home comfort needs and enhance the user's happiness in life in multiple ways. At the same time, from gas heating, condensation technology to heat pump systems, cogeneration of heat and power, multi-energy systems to full hydrogen energy, etc. Baxi BAXI promotes energy transformation with diversified low-carbon solutions, truly achieving "lower carbon and happy life". In 1995, Baxi officially entered the Chinese market. Integrating good products and good services, Baxi is favored by the Chinese market, especially mid-to-high-end users, and realizes strategic collection and cooperation with major real estate fine decoration projects; and serves in-depth services for various office buildings, factories, complexes and other building complexes . From the former "British BAXI Your caring British housekeeper" to today's "lower carbon life", Baxi has won the trust of consumers with its excellent quality and thoughtful service, bringing more than warm comfort to hundreds of millions of Chinese families Home experience.

Linnai Co., Ltd. was founded in 1920. For nearly a hundred years, it has always insisted on providing the society with a "comfortable life" through "thermal energy". As the world's manufacturer of integrated thermal energy equipment, Linnei has always been committed to the research, development, production and sales of diversified products. No matter what era, Linne is challenging and reforming to provide comfortable life to people at home and abroad. Now, climate warming and energy issues are global issues. There has been a huge change in the way people live and use energy. Linnei is not limited to the development of a single energy product and has the technical R&D capabilities of a multi-energy system combination. Provide a comfortable and wonderful lifestyle for people around the world. Linnei's "Eco high-efficiency gas water heater" and the mixed energy hot water heating system "ECO ONE" that integrates gas, air energy and other mixed sources, mainly focus on developing more energy-saving products in the industry. Even when it is aimed at overseas markets, it also provides environmentally friendly products. In the United States, where environmental regulation is strictly regulated, environmentally friendly solar water heater systems are adopted, from water storage water heaters to instant water heaters. In the future, both in Japan and overseas, we must be committed to energy conservation and environmental protection, as well as the development and promotion of multi-energy combination heat source machines. To achieve Linne’s brand commitment—“create a healthier lifestyle,” Linne aims to address social challenges in my business by leveraging multiple energy sources, as well as Linne’s own core technologies—“Heat and Life”, “Health and Life". Linne hopes to better provide solutions to global social problems and achieve sustained, stable and long-term growth. Adhering to the basic principles of localized production and sales, Linne is committed to providing appropriate products and services for the living environment and climate of various countries, and continues to provide job opportunities and high-quality development platforms for local talents. Linnei has always taken the global development vision to continuously improve the dietary health and housing facilities of local people, and has laid a solid foundation for promoting the vigorous development of local employment. As of March 31, 2024, Lin Nei has a total of 48 companies worldwide, including 45 subsidiaries, 2 associates, and 1 representative office. In September 1993, Shanghai Linnei Co., Ltd. was jointly invested and established by Linnei and Shanghai Gas (Group) Co., Ltd. and is a Shanghai high-tech enterprise. Adhering to Linnei's technological heritage for nearly a hundred years, relying on Linnei's advanced equipment, processes and R&D capabilities, the company produces gas water heaters, gas stoves, wall-mounted boilers, range hoods, embedded kitchen appliances, air source heat pump systems and whole-house water purification systems. Mainly used products, it has been evaluated by JIA Quality Assurance A-level factory. Shanghai Linnei adheres to the concept of "creating a healthier lifestyle" as the development of the enterprise and is committed to providing more users with a healthy, comfortable and high-quality life.

Rinnai

Shanghai Rinnai Co., Ltd.

Linnai Co., Ltd. was founded in 1920. For nearly a hundred years, it has always insisted on providing the society with a "comfortable life" through "thermal energy". As the world's manufacturer of integrated thermal energy equipment, Linnei has always been committed to the research, development, production and sales of diversified products. No matter what era, Linne is challenging and reforming to provide comfortable life to people at home and abroad. Now, climate warming and energy issues are global issues. There has been a huge change in the way people live and use energy. Linnei is not limited to the development of a single energy product and has the technical R&D capabilities of a multi-energy system combination. Provide a comfortable and wonderful lifestyle for people around the world. Linnei's "Eco high-efficiency gas water heater" and the mixed energy hot water heating system "ECO ONE" that integrates gas, air energy and other mixed sources, mainly focus on developing more energy-saving products in the industry. Even when it is aimed at overseas markets, it also provides environmentally friendly products. In the United States, where environmental regulation is strictly regulated, environmentally friendly solar water heater systems are adopted, from water storage water heaters to instant water heaters. In the future, both in Japan and overseas, we must be committed to energy conservation and environmental protection, as well as the development and promotion of multi-energy combination heat source machines. To achieve Linne’s brand commitment—“create a healthier lifestyle,” Linne aims to address social challenges in my business by leveraging multiple energy sources, as well as Linne’s own core technologies—“Heat and Life”, “Health and Life". Linne hopes to better provide solutions to global social problems and achieve sustained, stable and long-term growth. Adhering to the basic principles of localized production and sales, Linne is committed to providing appropriate products and services for the living environment and climate of various countries, and continues to provide job opportunities and high-quality development platforms for local talents. Linnei has always taken the global development vision to continuously improve the dietary health and housing facilities of local people, and has laid a solid foundation for promoting the vigorous development of local employment. As of March 31, 2024, Lin Nei has a total of 48 companies worldwide, including 45 subsidiaries, 2 associates, and 1 representative office. In September 1993, Shanghai Linnei Co., Ltd. was jointly invested and established by Linnei and Shanghai Gas (Group) Co., Ltd. and is a Shanghai high-tech enterprise. Adhering to Linnei's technological heritage for nearly a hundred years, relying on Linnei's advanced equipment, processes and R&D capabilities, the company produces gas water heaters, gas stoves, wall-mounted boilers, range hoods, embedded kitchen appliances, air source heat pump systems and whole-house water purification systems. Mainly used products, it has been evaluated by JIA Quality Assurance A-level factory. Shanghai Linnei adheres to the concept of "creating a healthier lifestyle" as the development of the enterprise and is committed to providing more users with a healthy, comfortable and high-quality life.

The development history of Lejia can be traced back to 1917, when domestic cast iron heaters were produced in Gavà (Barcelona). In addition to the first batch of cast iron heaters, the company also produced boilers, entered the bathroom industry in 1929 and began to produce bathtubs. The Lejia has always been concerned with social change related to water culture, a major natural resource used by the company. In 1936, Lejia faced the challenge of producing ceramic sanitary ware, and in 1954, Lejia began to produce leading products. In the 1990s, the group entered its first international expansion stage, mainly opening subsidiaries and signing agreements with leading companies in the local market. In addition to Portugal and France, Lejia's businesses began to spread across the United Kingdom, Germany, Italy, Russia, Morocco, Argentina, Brazil and China. The turning point in the internationalization process occurred in 1999, when it acquired the Swiss Keramik Holding Laufen Group, the fourth largest ceramic sanitary ware manufacturer in the world. After the acquisition of Laufen, the group consolidated its strategic position in markets such as Eastern Europe, Brazil and the United States. In 2005, Lejia announced an ambitious strategic plan focusing on the bathroom field, and achieved global leadership in this field in 2006. Today, Lejia has more than 21,500 employees and 77 factories around the world, and its products cover more than 170 countries and regions. To this day, Lejia is still a pure Spanish company dedicated to creating bathroom space, which makes it a global benchmark. In order to further fulfill social commitments, in 2009, Lejia Barcelona Art Gallery opened to the public, aiming to become an important place for brand experience. Subsequently, Lejia opened art galleries in Madrid, Lisbon, London, Shanghai and Beijing. The art gallery echoes Lejia's water culture, products and values, and also holds cultural activities, exhibitions, conferences and debates in design, sustainable development, architecture and other aspects. These activities mean that Lejia hopes to continue to make progress with society in the future.

Roca

Roca (China) Co., Ltd.

The development history of Lejia can be traced back to 1917, when domestic cast iron heaters were produced in Gavà (Barcelona). In addition to the first batch of cast iron heaters, the company also produced boilers, entered the bathroom industry in 1929 and began to produce bathtubs. The Lejia has always been concerned with social change related to water culture, a major natural resource used by the company. In 1936, Lejia faced the challenge of producing ceramic sanitary ware, and in 1954, Lejia began to produce leading products. In the 1990s, the group entered its first international expansion stage, mainly opening subsidiaries and signing agreements with leading companies in the local market. In addition to Portugal and France, Lejia's businesses began to spread across the United Kingdom, Germany, Italy, Russia, Morocco, Argentina, Brazil and China. The turning point in the internationalization process occurred in 1999, when it acquired the Swiss Keramik Holding Laufen Group, the fourth largest ceramic sanitary ware manufacturer in the world. After the acquisition of Laufen, the group consolidated its strategic position in markets such as Eastern Europe, Brazil and the United States. In 2005, Lejia announced an ambitious strategic plan focusing on the bathroom field, and achieved global leadership in this field in 2006. Today, Lejia has more than 21,500 employees and 77 factories around the world, and its products cover more than 170 countries and regions. To this day, Lejia is still a pure Spanish company dedicated to creating bathroom space, which makes it a global benchmark. In order to further fulfill social commitments, in 2009, Lejia Barcelona Art Gallery opened to the public, aiming to become an important place for brand experience. Subsequently, Lejia opened art galleries in Madrid, Lisbon, London, Shanghai and Beijing. The art gallery echoes Lejia's water culture, products and values, and also holds cultural activities, exhibitions, conferences and debates in design, sustainable development, architecture and other aspects. These activities mean that Lejia hopes to continue to make progress with society in the future.

Baileman Group was founded in 1911 and is a privately held production company. It has always been a leading enterprise in the Japanese gas appliance production industry. To this day, Belman has become one of the world's largest gas appliance manufacturers, and its products are widely used in the global household, industrial and commercial fields. Belman is committed to allowing customers to experience the products developed, produced and sold by the company, thereby continuously improving product quality and making customers safer and more convenient when using products. This decision is the core goal of Belleman's continuous efforts. In 1973, Belman began to operate overseas (US) and has been operating in Japan, the United States, Canada, Mexico, Australia, New Zealand, Brazil, Argentina, domestic, Vietnam and Singapore. All factories have obtained ISO certification. . In China, Belman has reached strategic cooperation with many real estate developers, including Greater China Financial Center, Baoneng Huafu, China Overseas Huanyu Tianxia, ​​Jinwan Haoting, South China Country Garden, Guangzhou CITIC Junting, and CITIC Mangrove Bay Baileman water heater services are installed in residential areas on both sides of the Taiwan Strait and the Three Places.

Paloma

Zhuhai Free Trade Zone Meiji Life Technology Co., Ltd.

Baileman Group was founded in 1911 and is a privately held production company. It has always been a leading enterprise in the Japanese gas appliance production industry. To this day, Belman has become one of the world's largest gas appliance manufacturers, and its products are widely used in the global household, industrial and commercial fields. Belman is committed to allowing customers to experience the products developed, produced and sold by the company, thereby continuously improving product quality and making customers safer and more convenient when using products. This decision is the core goal of Belleman's continuous efforts. In 1973, Belman began to operate overseas (US) and has been operating in Japan, the United States, Canada, Mexico, Australia, New Zealand, Brazil, Argentina, domestic, Vietnam and Singapore. All factories have obtained ISO certification. . In China, Belman has reached strategic cooperation with many real estate developers, including Greater China Financial Center, Baoneng Huafu, China Overseas Huanyu Tianxia, ​​Jinwan Haoting, South China Country Garden, Guangzhou CITIC Junting, and CITIC Mangrove Bay Baileman water heater services are installed in residential areas on both sides of the Taiwan Strait and the Three Places.

Bosch is one of the earliest manufacturers to get involved in home appliance manufacturing, and has promoted people's quality of life with continuous innovation. In 1933, Bosch launched a refrigerator with a compressor; in the 1950s and 1960s, Bosch developed modern drum washing machines and dryers; in 1962, Bosch pioneered the use of kitchen appliances with various small appliances. In 1895, Bosch obtained permission from the royal capital and the official residence of Stuttgart to start producing household appliances. At the Leipzig Spring Expo in 1933, the successful debut of Bosch refrigerators took the first step in Bosch's entry into the home appliance market. More Bosch home appliance products followed one after another, gradually in the fields of stoves, dishwashers, washing machines and electric kitchen multi-purpose machines. All are famous. With a 110-year history of home appliance manufacturing, consistent high-quality products, highlighting the service commitment of caring, Bosch has always dominated the European home appliance market. In 1967 , Bosch home appliances combined with the home appliance business of Siemens (Siemens) Group formed BSH Bosch und Siemens Hausgeraete GmbH (hereinafter referred to as BSH home appliances group). In November 2004, Bosch Home Appliances was successfully listed in Shanghai and has entered 22 provinces (cities) including Beijing, Shanghai, Jiangsu, Zhejiang, Guangdong, etc., achieving good sales. The first batch of products on the market include computer refrigerators with 0℃ vitamin preservation technology, computer drum washing machines with LCD display and laundry dryers. These products are synchronized with new European technologies and represent the technical and innovative level of Bosch home appliances. Now Boxi Home Appliances Group has two major brands, Bosch and Siemens, 5 special brands and 6 regional brands. It has established branches or agents in nearly 50 countries on all continents around the world, and has marketing in more than 130 countries. BSH Home Appliances Group It is one of the three major appliance manufacturers in the world. Bosch home appliances have always been famous for their excellent quality and service. The consumer name of Bosch home appliances has been rising. In addition to the efforts of the Bosch Group, it also has a good reputation brought by the persistence of German Bosch technology.

BOSCH

BSH Home Appliances (China) Co., Ltd.

Bosch is one of the earliest manufacturers to get involved in home appliance manufacturing, and has promoted people's quality of life with continuous innovation. In 1933, Bosch launched a refrigerator with a compressor; in the 1950s and 1960s, Bosch developed modern drum washing machines and dryers; in 1962, Bosch pioneered the use of kitchen appliances with various small appliances. In 1895, Bosch obtained permission from the royal capital and the official residence of Stuttgart to start producing household appliances. At the Leipzig Spring Expo in 1933, the successful debut of Bosch refrigerators took the first step in Bosch's entry into the home appliance market. More Bosch home appliance products followed one after another, gradually in the fields of stoves, dishwashers, washing machines and electric kitchen multi-purpose machines. All are famous. With a 110-year history of home appliance manufacturing, consistent high-quality products, highlighting the service commitment of caring, Bosch has always dominated the European home appliance market. In 1967 , Bosch home appliances combined with the home appliance business of Siemens (Siemens) Group formed BSH Bosch und Siemens Hausgeraete GmbH (hereinafter referred to as BSH home appliances group). In November 2004, Bosch Home Appliances was successfully listed in Shanghai and has entered 22 provinces (cities) including Beijing, Shanghai, Jiangsu, Zhejiang, Guangdong, etc., achieving good sales. The first batch of products on the market include computer refrigerators with 0℃ vitamin preservation technology, computer drum washing machines with LCD display and laundry dryers. These products are synchronized with new European technologies and represent the technical and innovative level of Bosch home appliances. Now Boxi Home Appliances Group has two major brands, Bosch and Siemens, 5 special brands and 6 regional brands. It has established branches or agents in nearly 50 countries on all continents around the world, and has marketing in more than 130 countries. BSH Home Appliances Group It is one of the three major appliance manufacturers in the world. Bosch home appliances have always been famous for their excellent quality and service. The consumer name of Bosch home appliances has been rising. In addition to the efforts of the Bosch Group, it also has a good reputation brought by the persistence of German Bosch technology.

Riello SpA was founded in 1922. At that time, the company only produced and sold burners for a local Italian handicraft workshop. With the mastery of core technologies and the continuous development of products, Liyalu Company has become a brand company with a complete production, sales and after-sales service system in Italy, and has developed rapidly. As a burner production expert, the company has begun to enter the international burner market in the 1950s. At present, the products have been sold to more than 60 countries and have thousands of customers. With the company's development in the Italian local market, the company has gradually become the leader in European and even the world markets. In the field of heating and combustion, Liya Road Company, which has accumulated many years of experience, has become a world-class supplier of civilian heating, industrial and commercial equipment today. Industrial and commercial fuel burners, gas burners, wall-mounted and floor-standing heating equipment are milestones in the successful development of Liya Road and an important area for the development of Liya Road's business. Today, Riya Road has 6 own production factories in countries such as Italy, Canada, and Poland. The group has a strong distribution and distribution network for selling products from different brands. At present, RIELLO SpA has become the largest heating equipment manufacturer in Italy and has been recognized by the authoritative certification bodies of GASTEC and IMQ. Liya Road Thermal Equipment (Shanghai) Co., Ltd. is the only wholly-owned subsidiary of Italian Liya Road Group Co., Ltd. (RIELLO SpA) in China. The company is located in Zhuxing Jinshan Industrial Zone (No. 388, Jinbai Road) in Jinshan District, Shanghai. The factory area is more than 17,000 square meters.

RIELLO

Riello Thermal Equipment (Shanghai) Co., Ltd.

Riello SpA was founded in 1922. At that time, the company only produced and sold burners for a local Italian handicraft workshop. With the mastery of core technologies and the continuous development of products, Liyalu Company has become a brand company with a complete production, sales and after-sales service system in Italy, and has developed rapidly. As a burner production expert, the company has begun to enter the international burner market in the 1950s. At present, the products have been sold to more than 60 countries and have thousands of customers. With the company's development in the Italian local market, the company has gradually become the leader in European and even the world markets. In the field of heating and combustion, Liya Road Company, which has accumulated many years of experience, has become a world-class supplier of civilian heating, industrial and commercial equipment today. Industrial and commercial fuel burners, gas burners, wall-mounted and floor-standing heating equipment are milestones in the successful development of Liya Road and an important area for the development of Liya Road's business. Today, Riya Road has 6 own production factories in countries such as Italy, Canada, and Poland. The group has a strong distribution and distribution network for selling products from different brands. At present, RIELLO SpA has become the largest heating equipment manufacturer in Italy and has been recognized by the authoritative certification bodies of GASTEC and IMQ. Liya Road Thermal Equipment (Shanghai) Co., Ltd. is the only wholly-owned subsidiary of Italian Liya Road Group Co., Ltd. (RIELLO SpA) in China. The company is located in Zhuxing Jinshan Industrial Zone (No. 388, Jinbai Road) in Jinshan District, Shanghai. The factory area is more than 17,000 square meters.

Founded in 1684, Dedi is a world leader in glass-lined equipment manufacturing. With long-term cooperation and experience with key members of the pharmaceutical and fine chemical manufacturing industry, Dedi can provide special support for your process. What makes Dedi's extraordinary is that it not only has expertise in manufacturing process equipment, but also combines the experience and knowledge gained by the engineering team over the years to provide installation, commissioning and operation service support for thousands of systems. Dedi has 15 subsidiaries worldwide and is a veritable multinational enterprise that can provide perfect services to customers.

De Dietrich

De Dietrich Process Systems Equipment (Wuxi) Co., Ltd.

Founded in 1684, Dedi is a world leader in glass-lined equipment manufacturing. With long-term cooperation and experience with key members of the pharmaceutical and fine chemical manufacturing industry, Dedi can provide special support for your process. What makes Dedi's extraordinary is that it not only has expertise in manufacturing process equipment, but also combines the experience and knowledge gained by the engineering team over the years to provide installation, commissioning and operation service support for thousands of systems. Dedi has 15 subsidiaries worldwide and is a veritable multinational enterprise that can provide perfect services to customers.

Gas Volume Water Heater Product

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