Pipe Fittings A.ISO-9001:2000 B.carbon steel,alloy steel ... , GB,BS high quality,low price! Name:Pipe FittingsProducts:Elbows,Reducers,pipe tees,bends,pipe caps...Material:Carbon steel,alloy steelStandard:ANSI,ASME ... 't understand the words can ask me Generally we produce three kinds of material pipe polyethylene, polypropylene and aluminum pipe PE-X pipe fitting