... material:carbon steel D.type: pipe fitting Carbon Steel Pipe Tee / Seamless Buttweld pipe fitting TANGSHAN RUIYIN INTERNATIONAL TRADE ... on.NAMEPipe Fittings,buttweld pipe fitting,pipe cap,seamless BW pipe fittingPRODUCTSElbows,reducers,pipe tees,bends,pipe caps,lap jointMATERIALCarbon ... 2000,API,CCSWe have biggest pipe fittings production equipment in china,all of pipe fittings are products by ourself ...