Jiayuan Environmental Protection Co., Ltd. was established in 1998. The company is located in Fuzhou City, Fujian Province. It has a registered capital of 100 million yuan and currently has more than 500 employees. It is mainly engaged in the investment, construction, operation of municipal/environmental protection projects, research and development, production and sales of environmental protection equipment. Environmental protection technology consulting and environmental protection software development. The main businesses are garbage leachate treatment, kitchen worm wastewater treatment, garbage transfer station treatment, municipal sewage treatment, industrial wastewater treatment and organic waste gas (VOCs) treatment, and foul-odor gas treatment. Business models include BOT, BOO, ROT, TOT, EPC, commissioned design, contracted operations, technical consulting and equipment sales, etc.

In 2014, Jiayuan Environmental Protection and Hanwei Technology Group Co., Ltd. (stock code: 300007) carried out major asset restructuring and became the flagship enterprise of Hanwei Group's smart environmental protection sector. Jiayuan Environmental Protection makes full use of the Internet of Things technology and capital advantages of Hanwei Group such as perception sensors, smart terminals, communication technology, cloud computing and geographic information to create a smart environmental protection management platform supported by Hanwei Cloud.

Jiayuan Environmental Protection is a national backbone enterprise of the environmental protection industry, a national high-tech enterprise, and a national intellectual property advantage enterprise. It has special Class A design qualifications for environmental engineering (air pollution prevention and control projects, water pollution prevention and control projects), municipal industry (water supply projects, drainage projects, Environmental Sanitation Engineering) Professional Class B design qualification, Level 1 qualification for domestic waste leachate treatment facilities operation services, Level 1 qualification for environmental protection engineering professional contracting, Level 3 qualification for municipal public engineering general contracting and Level 3 qualification for construction mechanical and electrical installation engineering professional contracting.

The company attaches importance to the joint development of industry, academia and research, has recognized provincial technology centers and expert workstations, and cooperates with domestic colleges and universities such as the Chinese Academy of Sciences, Tsinghua University, and the People's Liberation Army Institute of Chemical Prevention to carry out research on cutting-edge technology for VOCs and high-difficulty wastewater treatment, and has successively undertaken the national 863 Plan, National Torch Plan, National Key New Product Plan, National Innovation Fund and other scientific and technological plan projects have completed various scientific research tasks well. The company owns nearly 300 core independent intellectual property rights such as invention patents, utility model patents, and software copyrights (including 39 authorized invention patents).

The company has been focusing on wastewater and waste gas treatment for more than 20 years and has become a cutting-edge enterprise in the domestic waste leachate treatment and VOCs treatment industry. It has undertaken a large number of environmental protection management projects, including Akznobel, Japan Fusuke Industry, Nippon Paint, TDK, Everbright International, Green Power, CIMC Group, BYD, Dingxin Group, Wangwang Group, Wahaha, Yili Group, Chuangzhi Group, Langkun Environmental Group, Yiling Pharmaceutical, Chengfa Environmental Co., Ltd., Country Garden, Guangzhou Environmental Investment Group, Wang Famous domestic and foreign companies such as Neng Group, Huiming Environmental Protection, Renhe Environmental Protection provide high-quality services, which have been highly praised by users and created good social and economic benefits.