Ball Valve, Gate Valve, Globe Valve manufacturer / supplier in China, offering J-Valves Carbon Steel Wcb ANSI Class 300 Reduce Port 6*4 Inch with Flange End Trunnion Mounted Ball Valve, J-Valves ANSI Class 300 Carbon Steel Wcb with Top Flange 2PC Trunnion Mounted Ball Valve, J-Valves ANSI Class 300 Cu5mcuc Full Bore Flange End 1/2 Inch Lever Operation 2PC Floating Ball Valve and so on.