... TH/threaded tee, SW/socket weld tee, seamless teeStandardASME B16.9, ASME B16.11, ASME ... WPHY 60, WPHY 52,WPHY 46,WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 ... and predominant geographic locations. Taishouxing has professionally manufactured pipe fittings like elbows, tees, reducers, caps, ... , Sloping Machine, Shot-blasting Machines, Bending pipe machines and other large and medium-sized professional ...