zirconium oxide ball,Zirconium ball ,grinding ball 1.High grinding efficiency 2.High density 3.wear-resistant ceramic ball,grinding ball ,zirconium ball Jiaozuo Lifeng Industrial Co., Ltd. was ... follows is information of ceramic ball! Property : Ceramic ball ZrO2 ceramic possesses high strength,high hardness, high rigidity,high toughness,high wearproof,high density, grinding efficiency, no impurity ...