Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves Steel for Thread 3000wog 2PC Full Series NPT/BSPT Ball Valve, J-Valves Zero-Leak Apl 6D Full Bore 3-Piece Trunnion Type High Pressure (Fire Safe) Ball Valve, J-Valves Reduced Bore Forged Steel 4X3 Inch 900lb, Trunnion Mounted 3-Piece Flange Ball Valve and so on.