Raymond Grinder/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 humidity less than 6% in mining, construction, chemical, industry and metallurgy, such as barite, calcite, feldspar, talcum, pencil stone, marble, coke, powdered-coal, dolomite, fluorite, active carbon, betonies, ceramic, iron ore, granite, iron oxide yellow, gold mine, porcelain clay, plaster, limestone, clay, glass. The fine mess of the finished product can be adjusted from 60 mesh to 425 mesh according to requirement, and the most finest final products will reach 1000 mesh.