coal briquette machinery 1.One year warranty 2.Low-consumption,energy saving; 3.Easy maintenance 4.ISO9001:2000 Coal briquette machinery specifications1.It is mainly used for anhydrous materials of non-ferrous and ferrous mineral powder briquette /ball making system before the smelting furnace, such as coal, coal ash, coal mud, coke powder, coking coal, iron ore concentrates, chromate ore ...