Grinding mill is widely used in mining,metallurgy,chemical engineering,building materials to grind finely more than **0 kinds of material with Mohs hardness less than 9.3 and the moisture content below 6%, such as barite,limestone,ceramic and slag. The granularity of finished product is controlled between *0 and **5 meshes (the minimum is ***0 meshes). And it can produce ****0 meshes coarse powder by adding some special equipment.