Gate Valve, Globe Valve, Check Valve manufacturer / supplier in China, offering GB Standard Cast Steel /Stainless Steel Vertical Lift Check Valve, DIN F4 Cast Ductile Iron Double Metal Seated Flanged Gate Valve, ANSI /DIN/JIS/GOST/GB Standard Ductile Cast Iron Wafer Butterfly Valves with EPDM and PTFE Coatings and so on.