Micronized grinding mill plant (HGM) is the equipment specializing in producing fine and superfine powder of non-inflammable, non-explosive and brittle materials with Mohs's hardness under six, such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, mica, magnesite, illite, pyrophyllite and vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsum, alunite, graphite, fluorite, rock phosphate, Kalium ore, pumice, etc., totally more than 100 kinds of materials. Features: 1. High safety and realiabilty 2. High efficiency 3. Finished powder size can be adjusted between 47 and 5 micron (325-2500 mesh) 4. Enviornment friendly 5. Low investment