... alumina, cement, quartz, feldspar, refractory, etc.2. Working principle of Industrial Grinding EquipmentRaw materials are elevated by Bucket Elevator to Ball ... ;2). Inner lining and grinding media can be changed according to customers’ request, such as high manganese steel, silica, ceramics ... trouble rate, and can be operated continuously. Industrial Grinding Equipment with ISO,CE,BV Quliaty Approved