Mill Grinding Media 95% Zirconia Grinding Media - Buy ...- which machinery use in germany for grinding media balls manufacturing ,Jiangsu Grand Advanced Ceramics Co.,Ltd,was founded 10 years,has focused on developing and manufacturing grinding media.We are one of the major manufacturers of high quality Micro Ceramic Beads in the world.Mill Grinding Media 95% Zirconia Grinding Media - Buy ...Jiangsu Grand Advanced Ceramics Co.,Ltd,was founded 10 years,has focused on developing and manufacturing grinding media.We are one of the major manufacturers of high quality Micro Ceramic Beads in the world.