... '' to 72''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe, flanges,socket steel fittings,nippleWTSch5-SchXXS ,such as SCH20 ... , SCH40, STD, SCH80, SC100, SCH120, and SCH160StandardANSI,ASME,API5L,DIN, ... .We own many advanced production line, equipment and introduce the latest technique to manufacture pipe fitting. Our products conform to ...