... used for the highly fine power processing of 300 kinds of areas of non-flammable mine, chemical industry,and building material with ... limestone, dolomite, fluorite, lime, active clay, active carbon, bentonite, kaolin, cement, phosphorite rock, gypsum, glass and ... high, no people are needed in the operating room and it's easy maintenance. Working PrincipleFirstly, raw material is crushed by jaw crusher ...