The traditional wire rod is wound on the surface of the steel rod to coat the fine steel wire, the thin steel wire on the surface is not only easy to loosen and break, not easy to clean, and can not be coated with ultra-thin film, Yongchao YC series wire bar is the use of precision mold using cold extrusion processing technology on the surface of the steel rod to process the concave and convex wavy curve, which has the same coating effect as the traditional wire rod. However, since there is no thin steel wire wound on the surface, there is no worry about the wire loosening and breaking. And the surface curve is smooth and easy to clean. The surface of the wire rod is also coated with hard chromium with a hardness of up to 1300HV, which can greatly improve its wear resistance and service life.




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