Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves API 6D Duplex Stainless Steel 1/2*1/2" 600lb Threaded Gas Control for Sour Service &Fire Safe Corrosion Resistant Dbb Ball Valve, J-Valves API6d/API608 A216 Wcb Gear Operated Trunnion Mounted Flanged Ball Valve, J-Valves Bronze C95800 C83600 B62 Wafer Lug Type Butterfly Valve and so on.