... key equipment for material grinding after they are crushed. Mill widely used in cement, Portland products, new building ... , the material are smasher and grinding by ball mill. The fine ores developed into the next procedure: ... Crusher, Feeder, Ball Mill, Rod Mill, Raymond Mill, Conveyor, Vibrating Screen, Flotation Machine, Magnetic Separator, Shaking Table, Spiral Classifier, Thickener, Filter, ...