Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering API6d/DIN JIS Wcb CF8 CF8m 304 316 Gear Pneumatic Tapered Inverted Pressure Balanced Lubricated Plug Valve for Industrial Control, DIN/API Steel 304 Hard Rubber EPDM Sleeve Slurry Flange Wcb Electric Cast Iron Pinch Valve, DIN/API/GOST 316 Rising Stem Flange Wedge Carbon Steel Stainless Steel Electric Actuator Gate Valve and so on.