About our grinding ball : Alumina grinding ball 0.1-70mm (Rolled and Pressed) Zirconia alumina ball 0.5-13 mm Zirconium silicate ball 0.5-13 mm Cerium zirconium ball 0.4-3.4 mm Yttrium zirconium ball 0.1-30 mm Some questions need to be confirm with you: 1.May I know which kind of ball do you need? 2.How many in total do you need? 2.Are you buy for sell or self use? What industry do you use this product forï¼? 3.Do you have target price? 4.May I know your door address? Then we could send samples to you. Then our quotation will be send to you in 24 hours. Amy email:About our grinding ball : Alumina grinding ball 0.1-70mm (Rolled and Pressed) Zirconia alumina ball 0.5-13 mm Zirconium silicate ball 0.5-13 mm Cerium zirconium ball 0.4-3.4 mm Yttrium zirconium ball 0.1-30 mm Some questions need to be confirm with you: 1.May I know which kind of ball do you need? 2.How many in total do you need? 2.Are you buy for sell or self use? What industry do you use this product forï¼? 3.Do you have target price? 4.May I know your door address? Then we could send samples to you. Then our quotation will be send to you in 24 hours.