... . Full antomatic, CE 2011 metal hot selling powder ball press machine Introduction:coal powder ball press is mainly used for ... materials of non-ferrous and ferrous mineral powder briquette /ball making system before the smelting furnace, such as coal, ... aluminum ash, Si-Mn mineral powder, bauxite refractory, nonferrous metal power, refractory matter, ceramic filter sand and metallurgical powder Cold ...