Steel fiber is a kind of newly developed reinforcement widely adopted globally nowadays. Steel fiber concrete has already been used for and wide on to many fields, such as road, bridge, airport runways, tunnel, culvert, hydro-power project, inner lining of underground construction . Prot and pier, ocean project, rocket launch site , anti-earthquake building, . Compared with ordinary concrete, the project using steel fiber are increased evidently in anti-stretching, resistance, abrasion resistance, crack, anti-bending ability, and application of a very long time Category hook ends steel fiber , wave steel fiber Length 30mm~60mm Diameter 0.5mm~1.0mm Tensile strength 600mpa~800mpa 800mpa~1100mpa 1100mpa According to customers