mm grind balls gold ore - ellaurel.ch. High Chrome Diameter Mm Grinding Iron Ore Ball For Ball Mill. Ball Mill-China Mining Machinery. Wide Application of Ball Mill Ball mill, as the key grinding equipment of the materials, is widely used for mineral grinding such as cement, lime, quartz, slag, silica, iron ore, copper ore, gold ore, bauxite, calcite, barite, gypsum and other minerals in ...