... saving; 3.Easy maintenance 4.ISO9001:2000 Coal briquette machinery specifications1.It is mainly used for anhydrous ... before the smelting furnace, such as coal, coal ash, coal mud, coke powder, coking coal, iron ore concentrates, chromate ore ... high efficiency, energy saving and environment protection. Coal briquette machinery technical parametersModelYQJ-290YQJ-360YQJ-400YQJ-500YQJ-650YQJ-750YQJ ...