... style pipes, Triangle pipes, Hexagon pipes, Hollow pipes, etc. according to customers requirements. Pipes length includes Cut-length, ... Manufacture, Petro Industry, Chemical Industry, Pipes Project Setting, etc.3).Standards: GB13296-1992; GB14976-2002; GB14975-2002; ASTM ... -blasted, Polish (120#, 200#, 400#, 600#, 800#), 2B, Mirror, etc.7).Company has the powerful machining ability; can receive and ...