Ring hammer crusher is a new type of broken machinery. Is suitable for crushing brittle, hard, less water content of various materials. In building materials, metallurgy, chemical industry, power industry, mainly used in crushing coal, coal gangue, sandstone, shale, limestone, gypsum and other minerals. Ring hammer crusher has stable running and reliable, long service life, compact structure, little dust, low noise, strong ability in hard row of surplus materials, etc.