This series are optimized after adopting advanced techniques. It can crush granite, basalt, bluestone, etc the diameters of which are from 100mm to 500mm, and its crushing compression strength is not more than 320Mp The final product is desirable device for aggregation used in highway and railway surface and water and electricity industry. Features: 1) Connected with locking sleeve assembly 2) The blow bar with high chrome 3) Hydraulic or hand opening 4) Impact plate with a special shape 5) Crushed product with cubical shape 6) Easy maintenance 7) Reliable operation