... strand structure: 1*2,1*3,1*7 3.international standard 4.construction 5.anchorage is available 1.15.24mm pc ... strand2.strand structure: 1*2,1*3,1*73.international standard4.construction5.anchorage is availableLow relaxation prestressed concrete steel ... are two wooden pallets on the bottom.Inquiry please provide: Standard(year), Diameter, Mechanical property(especially tensile strength), coil weight ...