This machine is applicable to medium and fine crushed materials. Suitable for crushing materials such as calcite, talcum, cobblestone, kaolin, slag, steel slag, diabase, coom, coalgangue, maifanstone, basalt, iron ore, quartz sand, CaCO3, bentonite, ect. The feeding inlet size is 2.4-3.9inch. The feeding size should be smaller than 2.2inch.