... density 3.wear-resist Zirconium Oxide Ceramic Ball ,large ceramic balls,white ceramic balls Jiaozuo Lifeng Industrial Co., Ltd ... , specializing in producing zirconia products, ceramic grinding balls, zirconia ceramic dental block, ceramic knives. Our products of high quality ... States. As follows is information of ceramic ball! Property : Ceramic ball ZrO2 ceramic possesses high strength,high hardness, ...