Raymond mill is applicable to the grinding and processing of more than 280 kinds of non-flammable and non-explosive materials with hardness less than 7 and humiditi less than 6% in mining, construction,chemical industry, and metallurgy, such as barite, calcite, feldspar, talcum, marble,limestone, clay, glass. The fineness of the finished product can be adjusted from 100mesh to 325 mesh according to requirements.