Stone grinding industry is widely applicable to barite, calcite, feldspar, talc, marble, limestone, dolomite, fluorspar, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass,insulation materials Mohs hardness of not more than 7 and humidity below 6% of non-inflammable mineral, chemical, construction and other industries than 300 kinds...