Established in 1946, Shanghai Lianggong Vale Factory is special enterprise manufacturing high and midium pressure valves in China. Our factory not only supplied all type and species of valves but also can process vale actuators. It is the first one of a few units that have got the certificate of design and manufacture of renitency of nuclear equipments in China.

In order to satisfy the needs of development of enterprise, the whole factory have move to new industrial park of Yanghang Industry Development zone of Baoshan Shanghai. Nowaday Lianggong vale Factory possesses area over 80 acreage, thereinto new manufactories are about 21200 square meters and office builing are 3000 square meters. The total capital of investment reaches to 1.7 RMB billion. It has powerful technical strength not only including 8 senior engineers, 4 senior post of managers and 50 concerned experts and technicians but also factory has over 400units all kinds of advanced manufature and test equipments, furthermore, having upbuilded nuclear-electric and low temperature lab and updating physical-chenic measure equipments etc. Meanwhile the factory set out building RT-ray inspection lab in order to have the capability for Non-destructive testing of RT, UT, PT, MT etc.

Main certificates: The certificate of design and manufacture of renitency of nuclear equipments.
ISO9001: 2000(DNV)
The certificate of API 6D and API591(U. S. A)
AZ certificate (Pressure piping element manufacture licence)
The certificate of valid supplier for SINOPEC, China Pertrol Natural Gas and The National Electrics Co., Ltd etc.

Main Products and parameter:
Type: Gate valve, globle valve, check valve Cryogenic service valve, valve for nuclear station, slab type valve, pulp valve, butterfly valve, ball valve, nonstandard Valve, nonstandard valve, nuclear satefy class valve, actuator etc.
Material: WCB, Alloy steel, stainless steel, special type steel, special type alloy, bronze and iron.
Applicable Pressure: 1.6~42 Mpa(150-3500lb), max: 330 Mpa.
Applicable Temperature: -196 degrees Celsius ~680 degrees Celsius.
Size: 3~1200mm, max size of butterfly avlve: 2500mm.
Operate: Manual operation, electric operation, pneumatic operation, gear operation, hydraulic operation.
Standard: API, ASTM, MSS, ANSI, NACE, JIS, ISO, GB.

Strategic goals:
Shanghai Lianggong Valve Factory is the first one that has been successfully changed into a stock company from the shanghai electic group and run modern enterprise managment system. As n newness Lianggong. With the motto of " technology is guide, clients ' satisfaction is goal and quality is life". WC. II l ' reinforce technology research, adjust products constructure and optimize produce organizatl011 which make our enterprised present a entirely new appearance. We believe that the future of Lianggong Valve become more and more resplendence by a11 staff working together i11 the valve field at home and broad. Neither any potential clients 01 old clients we'11 Continue offer you the best new and credible produces.