... & stainless steel(seam & seamless) Qualification: API, CE, ISO9001 Carbon Steel Pipe Fitting Professionally Manufacture ... Type Elbow, Tees, Cross, Reducers, Caps, Stub ends, Flanges, Unions, Nipples, Couplings, Elbowlets, Sockolets, Weldolets ... fully satisfy our client needs for quality materials which is our ... Main Products Type: TypeBW(butt-welding); SW(socket-welding); Threaded elbow, tee, reducer, ...