As an economical and practical material, the core wire is widely used in the manufacture and repair of various industrial parts. Development of flux cored wire depth, solve the flux-cored wire raw material formula, what percentage of to join C, Gr, Mo, Nb, V, W and trace rare earth Y and La, organic combination after welding workpiece organization for CrC, MoC, NbC, VC, WC etc. Various kinds of heat resistance, corrosion resistance, abrasion resistance, impact resistance of MC carbides, repair the defects and the wear surface of the metal parts, to ensure the integrity of the workpiece, It is the national good faith and law-abiding enterprise, the good faith and law-abiding enterprise in hebei province, the excellent good faith enterprise in handan city, the agricultural material enterprise in hebei province and handan city, the soil fertilizer station soil fertilizer formula fertilization project fixed point production enterprise. Ball mill steel ball is a cylindrical ball mill medium used for grinding blocks.