... , CE 2011 metal hot selling powder ball press machine Introduction:coal powder ball press is mainly used for anhydrous materials ... of non-ferrous and ferrous mineral powder briquette /ball making system before the smelting furnace, such as coal, ... ore power, Lead Zinc Ore, steel slag, aluminum ash, Si-Mn mineral powder, bauxite refractory, nonferrous metal power, refractory matter, ceramic ...