Pneumatic Gate Valve, Electric Gate Valve, API Gate Valve manufacturer / supplier in China, offering API600/DIN/JIS Wcb Flanged Bw/Sw Pneumatic Electric Ckeck Goble Ball Gate Valve, (H44H-DN150-150LB) Wcb Non-Return Swing/Wafer/Lift/Dual Check Valve, NPT/Sw/Flange Carbon Steel Control Globe Check Valve and so on.