... ,40mm,50mm,60mm 2.alumina content:92% cement mill grinding balls Company NamePingxiang Tianjian ceramic chemical packing co.,ltd ... province T:86799-6350719 Mb:86799-15179965916 Product NameAlumina grinding ballFeaturesThe Products, featured by high hardness, high ... ApplicationApplication: The products are widely used as grinding media of ball mill on ceramics, cements, paints, refractories, inorganic ...