Double rotor stage crusher is a new type crushing machine. In fact, it is the same as two Hammer Crushers combining together reasonably with 2 rotors applying at the same time. It is also called double rotors hammer fine crusher or no screen hammer mill crusher which avoids the problem of output products choking and stuck. So it is suitable for crushing wet or sticky materials, like calcite, limestone, coal slag, furnace slag, ore slag in the brick plant, construction wastes, shale, coal gangue. It has advantages of high production efficiency, good crushing effect.