Vacuum Components, Sanitary Fittings, Sanitary Valves manufacturer / supplier in China, offering Customized Uhv Flange Stainless Steel Flange Cast Flanges CF Bored Flange with Threaded Holes, High Precision Stainless Steel Flange Pipe Fitting CF Bored Flange with Threaded Holes, OEM Kf10 Kf16 Kf25 Kf40 Kf50 Kf63 SS304 Stainless Steel Pipe Connection Chain Clamp for Semiconductor Industry and so on.