High alumina grinding balls are used in ball mill, pot mill, librating mill and other fine breaking plants with advantages of high hardness, high volumetric density and anti-corrosion. With the smashing efficiency and scuff-resistance much better than that of common ball-stone or natural cobblestone, it is widely used in ceramics, glass, porcelain enamel, pigment, chemicals and other trade. For non-metal mineral products extra refining, our grinding balls are the ideal grinding media for stirring grinding, sand grinder and liberating and widely applied for ceramics, paint, ink, coatings, dyes, rubber and power industries.