High Pressure Suspension Grinder is a new kind of mill, which is invented with great concentration and on the basis of many years of powder processing experiences. This invention starts an epoch of high efficiency and low cost in international mining industry.High Pressure Suspension Grinder can be used to grind non-inflammable and non-explosive materials with Mohs hardness below 9.3 and moisture content below 6%, such as barite, limestone, pottery, scoria. Size of final products can be adjusted between 30-425 mesh (The fineness can reach 1000 mesh).