Zhejiang Dongou Filter Manufacturing Co., Ltd. (Wenzhou Dongou Microporous Filtration Co., Ltd.,) is a national high-tech enterprise specializing in the research, development, application and production of filtration technology. The production bases are located in the Shuige Industrial Park and Qibaiyang Industrial Park in Lishui City, Zhejiang Province, with two plant factories, covering a total area of over 100 mu. The company currently has more than 400 employees, with an annual output value exceeding 500 million yuan.

Founded in 1986, the company is commited to the promoting and producing of “microporous precision filtration technology and device system”, providing tailored filtration solutions for industries to achieve energy saving, emission reduction, energy efficiency improvement and green production. Among our products, the polymer sintered microfiltration membrane produced by our company combines the remarkable characteristics of high temperature resistance, strong acid and alkali resistance, long service life and low cost, making it highly favored in fields such as new energy, pharmaceuticals, food, chemicals and environmental protection.

The company currently holds more than 50 national patents and has received numerous honors ad awards, including the Second Prize of Scientific and Technological Progress of the State Environmental Protection Administration (ministerial level) and the Third Prize of Scientific and Technological Progress of the National Pharmaceutical Bureau of Zhejiang Province. It was also continuously listed as a "National Science and Technology Achievements Key Promotion Project" during the "Eighth Five-Year Plan", "Ninth Five-Year Plan" and "Tenth Five-Year Plan" periods by the State Sceientific and Technological Commission of The People’s Republic of China. Adhering to the business philosophy of “Focus on major clients and renowed brands”, our company has established strategic partnerships with leading enterprises in industries such as non-ferrous metals, lithium batteries, chemicals and pharmaceuticals, striving to become the largest filtration industry manufacturer and service provider in China!