... key equipment for material grinding after they are crushed. Mill widely used in cement, Portland products, new building ... machine, the material are smasher and grinding by ball mill. The fine ores developed into the next procedure: ... , Impact Crusher, Cone Crusher, Hammer Crusher, Compound Crusher, Box Hammer Crusher, Feeder, Ball Mill, Rod Mill, Raymond Mill, Conveyor, Vibrating Screen, Flotation ...