Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering ANSI/DIN High Pressure Hydraulic Oil Gas Thread Swing Bronze Brass Spring Swing Forged Check Valve, API/JIS/BS Rising Stem Stainless Steel Wcb 304 316 Class150-300 JIS 10K-20K Flange Gate Valve for Oil, API/DIN Class 150 & Class 300 Cast Steel Stainless Steel Wcb 304 316 Flange Forged Steel Non Return Swing Check Valve and so on.