... made to order The company's products of prestressed concrete strand and wire are mainly implemented GB/T5223-2002, GB ... the company's major products.Product TypeMajor SpecificationShapeHard drawn and PC smooth steel3.00, 4.00, 5.006.00, 7 ... strand1×21×310.00, 12.008.60, 10.80, 12.90 1×79.50, 9.53, 12.70, 15.0015.20, ... .70, 17.80 Unbonded prestressed steel line1×79.50,12.7015.20,15.24,15.70 PC Strand