... pipe,Tube,API pipe,Oil line pipe and so on2Out Diameter1/8”-48”3Wall ThicknessSch5S-SchXXS4Our ... GB,ASTM,ASME,ANSI,DIN,GOST,JIS and so on6Place of OriginShangHai(Bao),HengYang,YangZhou(ChengDe), ... Tianjin(TPCO),ShangDong and so on7Surface treatmentPolishing,sand blast,painting8MarkingAs customers’ require9PackagingPlastic caps ... product new,or return the money WN Flanges