Carbon Steel Cap, Carbon Steel Concentric Reducer, Sockolet manufacturer / supplier in China, offering Welding Pipe Fittings Reducing Butt Welding Fittings Stainless Steel Concentric Reducer En10311 for Aerospace Industry, Stainless Steel ANSI Industrial Heavy-Duty BSPT/NPT Pipe End Cap for Water, Hot Sales DN200 8 Inch Pn10 Flange Carbon Steel S235jr Backing Ring Flange and so on.