Carbon Steel Cap, Carbon Steel Concentric Reducer, Sockolet manufacturer / supplier in China, offering Stainless Steel ASTM A403 Wp304, Wp304L, Wp316, Wp316L Butt-Welded Cap, Custom SS304 316L Sanitary Stainless Steel Pipe Fitting Food and Medical Grade Eccentric Reducer, Alloy Inconel 625 Cap ANSI GOST 3" Q235/A105/F304L/F316L Mild/Carbon/Stainless/Alloy Steel Xs Wall Thickness Seamless Sch80 Pipe End Cap and so on.