the zenith impact crusher can crush granite, basalt, bluestone, etc. the diameters of impact crusher are from 100mm to 500mm, and its crushing compression strength is not more than 320mp. it own big reduction ratio, high crushing efficiency, and convenient maintenance. the final product is desirable. the rock machine is used in highway and railway surface and water and electricity industry. the main features 1.final product with cubical shape. 2.the blow bar with high chrome. 3.easy maintenance. hydraulic or hand opening. 4.reliable operation. impact plate with a special shape.