JS Heavy hammer crusher is newly designed and improved by our experts after absorbing advanced technology home and abroad successfully achieving a perfect combination of advantages of Hammer crusher and Impact crusher. It consists of rotor, hammer, impact plate and lower mesh and features automatization, high output and low producing cost which is only half that of our competitors. It processes materials with crushing compression strength not more than 300 Mpa. Such as limestone, gypsum, coal, marl, sand shale etc.