... Thickness:2mm-80mm FACTORY Productseamless steel pipe, ERW/Spiral carbon steel pipe;elbow,reducer,cap,tee,flange ... steel strips and waterproof clothOffice BuilingCANGZHOU RIZE STEEL PIPE CO.,LTD1.Surface Treatment: ransparent oil or black ... days8.AUTHENTIFICATION: ISO 9001:2000 API 5L/5CT9. steel pipe: SSAW, LSAW,ERW, Seamless10 . Delivery Term: FOB ... the copy of B/L) Stainless ASTM Seamless steel pipe