Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering API/ANSI Globe Handwheel Forged Manual CF8 CF8m 4 Inch Carbon Stainless Steel Flanged Gate Valve, API Class150 Stainles Steel 1/2 Wafer Non Return Spring Vertical Bronze Check Valve, DIN/API/JIS/BS EPDM Lined Ductile Iron Cast Iron Wcb 304 Saunders PTFE Diaphragm Valve and so on.