Introduction: Wenzhou Dongou Microporous Filtration Co., Ltd. was founded in 1986 and is located at No. 188, Lanjiang Road, Airport Avenue, Wenzhou. It specializes in the research and development of liquid-solid-liquid precision separation and filtration technology. Application and equipment manufacturing companies. It consists of: Wenzhou Dongou Microfiltration Pressure Vessel Factory, Wenzhou Dongou Anti-corrosion Equipment Factory, and Shanghai Dongou Microfiltration Technology Research Institute. The leading products include precision microporous PGH series activated carbon filters, precision microporous PGR, PGK series solution filters, PGP, PGX series ultra-fine powder filtration, washing and pressing-drying machines, precision microporous thin layer filtration systems, and Class I and II pressure PO, PPS, anti-corrosion lining of containers, equipment and pipelines. The products are used by more than 5,000 users in basic chemicals, fine chemicals, hydrometallurgy, pharmaceuticals, beverages, edible oils, fertilizers, environmental protection and other industries. Dongou Microfiltration Company is the largest equipment R&D, production and supply enterprise in the field of polymer precision filtration technology in China. It is the first in China to successfully develop long-lasting 0.3 micron filter media and quick-opening technology for large bottom covers over 1600mm. The company has a high-quality technical development, production, sales, pre-sales and after-sales service team, complete production and manufacturing conditions, and the only product testing laboratory in the industry. The company has 50 employees with a college degree or above, and nearly 30 engineers and technicians with intermediate or senior degrees. It has gathered the main research and development personnel of domestic microporous polymer filtration media and microporous filters, such as those of polymer sintered microporous filtration technology. The inventor, founder of sintered microporous filtration and application technology, former Professor Song Xianhong of Shanghai Research Institute of Pharmaceutical Industry who enjoys special allowance from the State Council; and experienced engineering and technical personnel in chemical machinery, water treatment, etc. Enterprises attach great importance to scientific and technological investment and take the road of scientific and technological innovation. So far, the company has obtained 16 national patents (including 5 invention patents and 11 utility models), 3 scientific and technological achievements have passed provincial (ministerial) level appraisals, and won the second prize of the State Environmental Protection Administration (ministerial level) Scientific and Technological Progress Award in 1990. , the third prize of the State Medical Administration's Science and Technology Progress Award and the third prize of the Zhejiang Province Science and Technology Progress Award, were listed as national new products in 1994, and were continuously designated as "key national scientific and technological achievements" by the National Science and Technology Commission during the "Eighth Five-Year Plan" and "Ninth Five-Year Plan" periods. Promotion Plan Project", was designated as the best practical promotion technology by the State Environmental Protection Administration, one of the outstanding environmental protection enterprises in Zhejiang, and was a qualified enterprise by the State Bureau of Quality and Technical Supervision in 2000. In 2001, it was the first to pass the ISO9001:2000 quality system certification. In 2003, it won the Zhejiang Provincial Science and Technology Small and Medium Enterprise Certificate; obtained the pressure vessel manufacturing license in 2004, was rated as a provincial high-tech enterprise by the Provincial Department of Science and Technology in 2005, and was rated as an AAA credit enterprise by the Agricultural Bank of China for several consecutive years. Zhejiang Provincial Industrial and Commercial Administration Bureau A-level contract-abiding and credit-worthy unit. In 2006, it was recognized as an "Enterprise Technology Research and Development Center" by the Lucheng District People's Government. The "Ultra-fine Metal Powder Filtration, Washing and Press-Drying Integrated Machine" project was rated as the Second Scientific and Technological Progress of Lucheng District in 2006. First prize, Wenzhou City's third prize for scientific and technological progress in 2006, Zhejiang Industrial Machinery Federation's third prize for scientific and technological progress in 2007, listed as a provincial innovation fund project in 2007, listed as a national torch plan project in 2006 and in 2008 Passed the acceptance inspection in April 2007, and was rated as "Wenzhou Patent Demonstration Enterprise" in 2007. "Precision Microporous Thin Layer Filtration Technology for Salt Water for Alkali Production" was rated as the first prize of Lucheng District's 2007 Scientific and Technological Progress Award, and the 2003-2004 Lucheng District Science and Technology Progress Award. Lucheng District Patent Implementation Second Prize, Lucheng District Patent Implementation First Prize in 2005-2006. Since 2004, it has applied for and completed 5 Lucheng district-level projects, 2 Wenzhou municipal-level projects, and 1 provincial-level project. In 2008, it successfully passed the national "high-tech enterprise" certification.
Legal representative: Liu Xuqiang
Establishment date: 1986-09-17
Registered capital: 12.75 million yuan
Industrial and commercial registration number ：330302000040774
Enterprise type: Limited liability company (natural person investment or holding)
Company address: South Head of Tucun Industrial Zone, Yangfushan, Wenzhou