Carbon Steel Cap, Carbon Steel Concentric Reducer, Sockolet manufacturer / supplier in China, offering Custom Size Mild Steel Pipe Fitting Concentric/Eccentric Reducer Determine Change Head, 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 and so on.