... combining the pre-breakage technology of domestic and foreign countries, and optimizing the key structure parameters. It is ... as iron ore, aluminum ore, gritstone, gypsum, blast furnace slag, coal gangue, phosphorus ore, and lump coal. Also, ... coal, manganese ore, iron ore, emery, fused aluminum, oxide, fused calcium carbide, limestone, quartzite and alloys. These Combination crushers are recommended by ...