Carbon Steel Cap, Carbon Steel Concentric Reducer, Sockolet manufacturer / supplier in China, offering Hot Selling Tee/Reducer/Elbow/Cap Carbon Steel/Stainless Steel Butt Welded Pipe Fittings Seamless, ASME B16.9 Carbon Steel Pipe Fitting Butt Welded Seamless Concentric Reducer for Pipe-Line Connection Sch40 2", Mild Steel Hot Deep Galvanized Butt Welded Sch40 Concentric Reducer for Oil Gas Water and so on.