Prestressed concrete steel strand Unbonded prestressed steel strand International standard such as ASTM A416, BS5896, JIS 3536 Prestressed concrete steel wire We offer PC Wire and PC Strand which confirm to the technical standards such as GB/T 5223, GB/T 5224, ASTM A-416, BS 5896, JIS G3536 or the standards agreed by both of the customers and us.