... not more than 15% . 2.The PCHZ Ring Hammer Crusher is stone crusher,It cannot only broke the lowqulity ... is not more than 15% . 3.Our Ring Hammer Crusher is a kind of the impact rotor with a ... ring hammer crusher, the material into the crushing machine, the ... second broken, and then fell on the sieve by the hammer of the shear, extrusion, grinding, and the materials ...