The hammer crusher is used to crush kind of middle hardness and weak abrasive material. The compressive strength of the material should be no exceeding 100 Mpa and its water content should be less than 15%, such as coal, salt, Bai Ya, gypsum, brick and tile, limestone. It is also used to broken the waste fiber structure, strong elasticity and toughness wood, paper, or asbestos, cement to recycle them. http://www.nadomining.com/