Established in 1989, Weidouli Special Valves(WSV)has developed into a provincial high-tech enterprise which integrates with research, design, manufacture,sales and service. The factory has 158 workers including 26 technicians，100 sets production equipments. The complete testing equipments can ensure the production process strictly according to the quality system control. Besides, we have the vacuum heat treatment equipment, the metal materials analyzers and the ultrasonic flaw detector etc. advanced testing facilities.

Up to now, the company has gained the ISO9001, CE,ISO14001, OHSAS18001, API6D etc. international certificates.

WSV is a Chinese leading company specilized in producing special material valves. The main products are titanium & titanium alloy series valves, nickel& nickel alloy series valves (hastelloy, monel, inconel, incoloy), zirconium series valves and duplex steel series valves etc. The product diameter range is 3/8”-48”(DN6-1200mm), pressure rating is 150Lb-2500Lb(1.0Mpa-42.0Mpa).Our valves are delivered worldwide to the (petro-) chemical industry, pharmaceutical industry, oil production, offshore and onshore, oil refineries, gas storage, power generation and other industrial processes. 

Holding “ cooperate sincerely, create win-win” as our guide line, we look forward to cooperating with friends and clients from all over the world for mutual development.