Which one is better for shale mineral
[Grinding field]: For various nonmetallic mineral materials with Mohs hardness below level 7 and humidity below 6%, this mill is widely used for talc, calcite, calcium carbonate, dolomite, potash feldspar, and bentonite The grinding and processing of kaolin, graphite, carbon and other materials are widely used in the fields of electric power, metallurgy, cement, chemical, nonmetallic mineral powder, food,