... 3.Output:0.047-0.89mm; 4.Good corrosion resistance Grinding Ball Mills1.ISO9001:2000,CE;2.Input size:15-25mm;3 ... kinds of ores and other grindable materials. Working principle of Grinding Ball MillsThe ball mill is horizontal cylindrical rotation device, driven by brim ... resistance;3. Easy installation,adjustment,operation We have various of Grinding Ball Mills,such as 900*1800, 900*2100, 900*3000, ...