... 1)Firm structure. 2)Stable performance. 3)Large capacity Double Stage CrusherApplicationDouble stage crusher can be widely used in crushing coal gangue, shale ... . Advantages First, it does not grate at the end of mesh, all kinds of wetlands can be crushed slag, that is, to ... the same time upper and lower levels of double smash, broken than large, the expected size of not more than 3mm, can meet ...