1x7 12.7mm 1860Mpa Steel PC Strand Wire Structure:prestressed concrete 7-wire strand Standard: ASTM416 Nominal diameter:12.7 mm 15.2mm 21.8mm 23.5mm prestressed concrete 7-wire strand Tensile strength:1860 Mpa Application:Bridge,highways,airports,sports venues and other infrastructure areas. A branch factory of HENGXING group (listed in 2007) Professional on PC Steel Strand manufacturing An annual output of 300,000 tons ISO management certificated China National construction steel quality supervision and test center certificated Cooperated with National railway for many years