Raymond Pulverizer is widely used in the highly fine powder processing of 300 kinds of materials in the areas of non-flammable mine, chemical industry, and building materials with moth's hardness less than 7 level an the moisture less than 6%, such as barite, calcite, potash feldspar, pencil stone, marble, limestone, dolomite, active carclazyte, active carbon, bentonite, kaolin, cement, phosphorite rock, gypsum, glass and heat insulating materials, etc. The size of the finished products can be adjusted from 60-325 meshes at random, and some of the size can reach 400-500 meshes at the maximum.