The High Pressure Mill (suspension mill） is mainly applied to the powder processing of mineral products in industries of metallurgy, construction, chemistry, and mining etc. The High Pressure Mill (suspension mill） can produce powder from more than 280 kinds of non-flammable and non-explosive mineral materials with Mohs hardness below 9.3 and humidity below 6%, such as barite, limestone, quartz, calcite, granite, porcelain clay, basalt, gypsum etc. The final size of the High Pressure Mill (suspension mill） is between 80 mesh and 425 mesh ( the finest could even be 800 mesh).