... , coke powder, coking coal, iron ore concentrates, chromate ore concentrates, mgo power, copper power, chrome ore power, Lead Zinc Ore, steel slag, aluminum ash, ... of machineLYQ0.5LYQ1.0LYQ 1.5LYQ 2.0LYQ 3.0LYQ 5.0LYQ 6.0LYQ 8.0LYQ 10Diameter of pressure rollerφ ... 299φ367φ367φ399.5φ522φ738φ700φ738φ758φ858Number of Roller surface ...