East China Zhengda (Jiangsu) Environmental Group Co., Ltd. (formerly: Jiangsu East China Zhengda Air Conditioning Equipment Co., Ltd. ) was established in 1993. It is a company specializing in the research, production, sales and physical pollution of the environment at the end of air conditioning equipment (air vents, air valves, mufflers). High-tech enterprises of noise control, embedded trough anchoring systems, finished bracket systems, prefabricated building molds, and metal products of new metal embedded parts.

After more than 20 years of growth, the company has formed various sound-silencing systems and sound barrier series for ventilation and air conditioning projects, including rail transit, tunnels, nuclear power plants, airports, large office buildings, hotels, shopping malls, comprehensive cultural and art venues, etc. A large modern industrial park for valve series, air outlet series, variable air volume air conditioning system end balance series, embedded parts, finished bracket systems and other products. The company currently has 400 employees, 150 people concentrated in college or above, 10 people have the title of senior engineer, the factory area is 40,000 square meters, the construction area is 32,000 square meters, and the registered capital is 80 million yuan.

Since its establishment, the company has more than 10 rail transit lines in Shanghai, more than 150 stations, Suzhou Metro Lines 1, 2, 3 and 4, Tianjin Metro Lines 3, Kunming Metro, Wuxi Metro Line 1.2, Ningbo Metro Line 1, Lines 2, 3, 4, 5, Shenzhen Metro Lines 10, 11, Wuhan Metro Lines 4, 7, 8, 21, Qingdao Metro Lines 1, 2, 3, 8, Qingdao Blue Silicon Valley Line/Jiaonan City Intermediate line, Hefei Metro Line 2, Shijiazhuang Metro Line 1.3, Changsha Metro Line 2, 3, 4, 5, Xiamen Metro Line 1 and 3, Chengdu Metro Line 4, 5, 10, 18, Guiyang Metro Line 1 , Line 2, Nanning Metro Line 2, Nanchang Metro Line 2, Nanjing Ningli Line, Nanjing Line 7, Changzhou Metro Line 1 and 2, Guangzhou Metro Line 4, 6, 7, 9, Xi'an Metro Line 9 Metro Line No. 4, 10, Jinan Metro Lines 1, 2, 3 and other subways provide more than 100 types of noise reduction series, air valve series and air outlet series, cooling tower and air conditioning heat pump unit noise reduction series Products: A variety of ventilation and air conditioning products are specially customized for many tunnels in East China.

More of the company's products are installed in large public buildings and skyscrapers; we are all in the country and even the world-renowned buildings; such as: Henglong Plaza (Henglong Real Estate), Huaihai Road Plot 3 (Sun Hung Kai Properties), Huidefeng Plaza (Hong Kong Whampoa), Zhenru Sub-Centre (Ching River Industry), Pudong X3-2 plot (Hutchison Whampoa), Pujiang Shuanghui (CITIC Pacific), Raffles Plaza (Singapore Capita Land), Shimao International Plaza (Shimao Real estate) and Hong Kong Ruian Real Estate and other projects; Pudong International Airport, Hongqiao Hub; World Expo China Pavilion, Theme Pavilion, Global Financial Center; Oriental Art Center, F1 International Racing Park; Four Seasons Hotel, Shanghai Jiuguang Department Store, Minsheng Bank Building. Among the diverse and complex buildings with different functions, East China Zhengda has strong occupation and extension. The reason why East China Zhengda can be at ease is inseparable from our quality and commitment. The subsequent service is satisfactory and always considers customers, so that East China Zhengda has always been in the ranks of progress and leadership.

The company insists on meeting the needs of customers with high-quality products, perfect services and pragmatic prices. We have always adhered to the modern corporate philosophy as the orientation, and have successively cooperated with universities and institutes such as Tongji University and East China Architectural Design Institute to form a university talent training model, continuously consolidate the company's core R&D advantages, and enhance the company's core competitive advantages. The company continues to introduce advanced production equipment and system product production lines at home and abroad. The products have advanced design concepts, beautiful shapes, reliable quality and complete varieties.