فولاد توپ آسیاب فیلیپین. فولاد توپ آسیاب فیلیپین دریافت قیمت. Ball mill Wikipedia. A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing The grinding media is the balls, which may be made of steel (chrome steel), stainless steel, ceramic, or rubber.