ATM INDUSTRY AGN Series Gyratory primary crusher imported and improved advanced technology, design and fabricating process of Fuller. Main motor drives the eccentric by countershaft and a pair of conical gears. While crusher is running and forcing the axis of mantle to swing, the opening of upper and lower mantles will change in a certain range, and the material will be milled, bent, finally crushed. AGN is now honorably applying in mining, forging, construction, chemical industry and power stations. AGN mainly consists of bottom shell, eccentric, crushing head, middle shell, spider and countershaft assemblies, with features of reliable performance, high capacity and robust structure.