Valves, Ball Valve, Gate Valve manufacturer / supplier in China, offering Carbon Steel DN80/100/150/200 Spring Loaded Check Valve, Wcb/A105/20#/Ss/CF8 Globe Valve 4′′ 6′′ 8′′ 10′′ Shut off Valve/Globe Valve/Gate Valve/Ball Valve/Check Valve for Water/Gas/Oil, DN100-500 CF8 Flanged Gate Valve and so on.