Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering DIN/API JIS GOST High Pressure 316 304 Wc6 Wc9 Power Station Welded High Temperature Cast Steel Wcb Globe Valve, API/DIN/JIS Wcb 304 Oil Steam Safety Pressure Relief Valve Used in Oil & Gas & Chemical Feild Jacket Relief Safety Safe Valve, DIN/API Factory Original Oil Plant Cast Iron Bellow Sealed Flange Hydraulic Cylinder Screw End SS316 Globe Valve and so on.