low relaxation high tensile strength pc strand is mainly used for concrete structure,such as railway and highway, overhead crane construction ,multi-floor industrial building floor and roof reinforcement for sports stadiums and etc,products are widely applied to the major domestic rail,road,and construction,The size including:9.53mm/12.7mm/15.24mm/9.3mm/12.5mm/15.7mm/17.8mm etc with tesile strength 1860Mpa low relaxation high tensile strength pc strand is mainly used for concrete structure,such as railway and highway, overhead crane construction ,multi-floor industrial building floor and roof reinforcement for sports stadiums and etc,products are widely applied to the major domestic rail,road,and construction,The size including:9.53mm/12.7mm/15.24mm/9.3mm/12.5mm/15.7mm/17.8mm etc with tesile strength 1860Mpa