HGM series ultrafine grinding mill for limestone. Adjustable fineness: 150-3000 meshes. Output: 0.5-45 t/h. Applicable materials: non-metallic ores, with Mohs hardness less than 6. Such as marble, calcite, dolomite, calcium carbonate, barite, pumice, etc. It can also grind coconut shells, shells, cocoa shells, bamboo, and other materials.