... GB,BS high quality,low price! Name:Pipe FittingsProducts:Elbows,Reducers,pipe tees,bends,pipe caps...Material:Carbon steel,alloy steelStandard:ANSI, ... ASME,API 5L,DIN,JIS,BS,GB,...Wall Thick: ... ask me Generally we produce three kinds of material pipe polyethylene, polypropylene and aluminum pipe PE-X pipe fitting