... Qualification: API, CE, ISO9001 Carbon Steel Pipe Fitting Professionally Manufacture Of China:Tianjin Rongkun PIpe Fittings Co., Ltd (TJRK) is a ... Fittings such as BW/ SW/ Screwed/ Forged & Compression Type Elbow, Tees, Cross, Reducers, Caps, Stub ends, Flanges, Unions, ... Products Type: TypeBW(butt-welding); SW(socket-welding); Threaded elbow, tee, reducer,cap, flangeStandardASME/ANSI B16.9, B16.11 ...