... order The company's products of prestressed concrete strand and wire are mainly implemented GB/T5223-2002, GB/T5224-2003, American ... SpecificationShapeHard drawn and PC smooth steel3.00, 4.00, 5.006.00, 7.00, 8.00, 9.00 Two sides, three ... .007.00, 8.00 Prestressed spiral rib wire4.00, 5.006.00,7.00,8.00 prestressed concrete strand1×21×310 ...