Valves, Ball Valve, Gate Valve manufacturer / supplier in China, offering Industrial Use Ball Valve GB/API 607 Stainless Steel Wcb 4′′ 6′′ 8′′dn100/150/200/200 Special for Fireproof and Anti-Static Chemical Products Ball Valve, High-Quality Q341f/Wcb CF8 CF8m Flanged Floating Ball Valve, GB/GOST/DIN 3357/BS 5351 Cast Steel Wcb Lightweight OEM ODM Custom Handwheel Actuation Flange End Wedge Type Gate Valve and so on.