... , 1*7. 1. Type: pc strand, pc steel strand, prestressed steel strand2. Spec.: 1X2 pc strandDia: 6mm, 8mm, 10mm, ... 8.60mm, 10.75mm, 12.9mm, 15.05mm1X7 pc strand(Normal or low relaxation)Dia: 9mm, 12mm, 12 ... bridge, anchorage of side slope, large span industry workshop and high-rise building construction.8. Cerfificate: ISO9001:2000\ SGS ... :tiffany8907281Tel:+86-22-82125131MB:+86-13512802538 PC strands