... .made to order The company's products of prestressed concrete strand and wire are mainly implemented GB/T5223-2002, GB/T5224 ... the company's major products.Product TypeMajor SpecificationShapeHard drawn and PC smooth steel3.00, 4.00, 5.006.00, 7.00 ... .53, 12.70, 15.0015.20, 15.24, 15.70, 17.80 Unbonded prestressed steel line1×79.50,12.7015.20,15.24,15.70 PC Strand