Wenzhou Aogong Valve Co., Ltd. is a research and development, manufacturing, sales and service as one of the professional production of metal hard-sealed ball valve technology enterprises.
The company has 8 national patents and 2 national invention patents. It is the drafting unit of the National Standard for Eccentric Hemispheric Valves (GB/T26146-2010).
The company devotes itself to scientific and technological innovation. With the assistance of relevant scientific research institutes and users, it has developed a series of large-caliber two-way metal hard-sealed eccentric hemispheric valves, polycrystalline silicon special ball valves, coal chemical special ball valves, rail-type two-way hard-sealed ball valves, special ball valves for aluminum factories, high temperature slag-locking ball valves, non-standard ball valves and so on. All technologies have reached the international advanced level. Products are widely used in petroleum, chemical, natural gas, power, metallurgy, paper, sewage treatment and other industries, by the user praise.