Ceramic ball of Hisina include inert ceramic ball, high alumina ceramic ball, refractory ceramic ball, heat storage ceramic ball, grinding ceramic ball etc.. The alumina grinding balls has been widely used in ball mills as abrasive media for ceramic raw materials and glaze material in ceramic factories, cement factories, enamel factories and glasswork owing to the excellence of high density, high hardness ,high wear resistance. During the abrasive/ grinding processing, ceramic balls will not be broken, it will not pollute the material to be grinded.