... which is composed of senior talents professional in different fields, such as mining ... the moisture less than 6%, such as barite, calcite, potash feldspar, pencil stone, marble ... and continuously into the grinding chamber for powder-processing. The rollers oscillate outward ... Crusher, Box Hammer Crusher, Feeder, Ball Mill, Rod Mill, Raymond Mill, Conveyor, Vibrating Screen, Flotation Machine, Magnetic ...