I t is widely used for medium-sized and fine crushing and shaping in the floowing industries:minerals ,quarry,abrasive,cement,refractory materials,alumina,quartz,emery,glass and so on. Features:1.simple structure and low operating cost2.high efficient and energy saving3.fine crushing,coarsse crushing with little fray of impeller4.influenced very little by the humidity of materials and the max humidity is 8%5.more suitable for crushing mid-hard and ultrahard materials 6.cubic type of product,high density of piling up and low iron polltion.7.less than 75 decibels of working noise with light dust pollution.