... , coking coal, iron ore concentrates, chromate ore concentrates, mgo power, copper power, chrome ore power, Lead Zinc Ore, steel slag, aluminum ash, Si ... -Mn mineral powder, bauxite refractory, nonferrous metal power, refractory matter, ceramic filter sand and metallurgical powder Cold pellet ... t/m and size25×34×13mm, singe piece is 17g high efficient mineral power ball press machine