... time, Defy supplies wearing parts perennially.OverviewThe ball mill is the key equipment for material grinding after they are crushed ... gear with cast roll teeth processing, the cylinder body set have wear-resisting lining board, has good abrasion resistance. ... Crusher, Hammer Crusher, Compound Crusher, Box Hammer Crusher, Feeder, Ball Mill, Rod Mill, Raymond Mill, Conveyor, Vibrating Screen, Flotation ...