Stainless Steel Ball Valve manufacturer / supplier in China, offering API 600 API 6D OEM Carbon/Stainless Steel Class 150-2500lb Flanged/Welded Bevel Gear Electric/Pneumatic/Hydraulic Industrial Oil Gas Water OS&Y Wedge Gate Valve, JIS 10K/20K/ASME B16.34/API 6D Flanged Wcb/CF8/CF8m Fire Safety Floating Ball Valve, Trunnion Ball Valves, API598, API607, Nace Mr 017, API 6D/B16.34/API600 Cast Steel/Stainless Steel, Wcb/CF8/CF8m Flanged&Butt Flexible/Sloid Wedge Bb OS&Y Gate Valve 150lb/300lb/600lb/900lb Nace Mr 0175 and so on.