Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering API/JIS/DIN Cast Steel Wcb Class 600lb 900lb Swing Weld Flange High Pressure Stainless Steel Swing Check Valve, API/DIN Class 150 & Class 300 Cast Steel Stainless Steel Wcb 304 316 Flange Forged Steel Non Return Swing Check Valve, DIN/API/JIS 10K Electric Hydraulic Rise Stem Stainless Steel Wafer Lug Slurry Flange Knife Gate Valve for Industrial and so on.