Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves Carbon Steel ANSI Class 300 Flange Swing Check Valve, J-Valves Investment Casting 5A Double Flap Wafer Check Valve Pn16/25/40, J-Valves 150lb/300lb Bronze C95500 Floating Flange Ball Valve and so on.