Adopting the latest manufacturing technology and unique structure design, the PF series impact crusher can produce cubic products with very good grain shape without tension and crack. It can crush each kind of coarse, medium, fine cubic material (granite, limestone and concrete etc) with feeding size not more than 500mm and crushing strength not more than 350MPa and is widely applied to secondary and tertiary crushing of various ores and medium- hard materials in railway, highway, energy, cement, chemical industry construction etc.