Vacuum Components, Sanitary Fittings, Sanitary Valves manufacturer / supplier in China, offering Stainless Steel Vacuum Clamp Components Pipe Fitting CF Bored Flange with Through Holes, Customized Uhv System Stainless Steel SS304 316 Vacuum Pipe Fitting CF Bored Flange, Designed Forged Steel Flange Stainless Steel Forging Through Holes CF Vacuum Bored Flange and so on.