... .QA,rush delivers 4.MOQ:100PCS Precision Zirconia Ceramic Ball Material:zirconia ceramicExcellent features :1.Material:zirconia graulation2.Using many fine technology such ... :Materials for grinding and dispersed,structural ceramics,electronics,refractory ceramics,magnetic material,metallurgy,medicine,food,cosmetics,textiles,printing and dyeing,pigment ...