... flat liners and steel ball, after the secondary grinding, material is discharged from the discharging. The machine is composed by feeding ... has good wear-resistance.The machine is with stable and reliable working condition. Features of Micro Ball Mill Machine1. Wide usage, ... 3. Easy installation,adjustment,operation We have various of Micro Ball Mill Machine,such as 900*1800, 900*2100, 900*3000, 1200 ...