ZC-TECH uses dry pressing-isostatic pressing combined with low-temperature fast-burning technology to produce 99 high-purity alumina wear-resistant balls. It has the advantages of uniform and compact internal structure, impact resistance, low abrasion, and long service life. It is suitable for stirring mills and roller mills. It can grind electronic materials, magnetic materials, coatings, paints, ceramic materials, especially high-purity alumina powder processing. It is a high-quality grinding medium. Its size is from 5mm to 50 mm.