1.low energy consumption 2.dry, wet and vacuum milling can be OK 3.low noise. 2HMZ high ... , iron ore ,coke with water ,corundum and fine milling powder metallurgy, mine ,building material and refractory material.Characteristics:The energy consumption is ... with classifier.Product shape is multi-edges sphere.Dry ,wet and vacuum millingVibration spring is made form rubber with steady start ...