Shanghai Liangong Valve Manufacturer Co., Ltd is a technological professional valve manufacturer for more than ten years. Presently it covers 15000 sqm, including building space of 10000 sqm, and owns over 200 employees, and 43 senior & intermediate engineers. Also it developed CAD & CAM designing. In addition, the company is in possession of fixed sets of RMB 38,000,000Yuan (about USD 5,500,000) with 80sets of equipments such as processing center, numerical machine tools and metal-machining facility, 25 sets of valve com-prehensive performance test equipments consisting of physicochemical inspection and NDE facility and 15 sets of crane and transportation equipments. It is a council unit of China Valve Association, China Gas Association, Key High & new-tech Industrialized Unit of Shanghai Province and Technology Advanced Enterprise. Our company has acquired ISO 9001 certificate (the current version is ISO 2000) from DNV (Det Norske Veritas), API-6D certificate issued by American Petroleum Institute and CE certificate issued by T V. Moreover, it is the pointing supply member unit of China Petrochemical croup Material Equipment Co., China Petroleum & Natural Gas Group Co., and Shanghai Baoshan Iron & steel plant.


The company provides high & medium pressure ball valves, butterfly valves, parallel gate valves, gate valves, globe valves, check valves and power station valves for petroleum, chemical engineering, metallurgy, light industry, power station, city building, water supply system, oil transportation, gas feeding, natural gas and long distance transportation pipes projects. In addition, the company supplies over 1000 sorts (8 main catena) of non-standard and special valves some of whose parts are imported from other countries. The products diameter range is DN 5~2000mm (1/2~80 ), the nominal pressure range is 0.6 Mpa~100 Mpa(150Lb~2500Lb), and the operating temp. range is -196 C~750 C.

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