briquettes making machine:By pressing, the machine can mold a variety of mineral powder, metal powder, coke powder and others. briquettes making machine: 1. Model: YHQ4002. Reducer: ZQ4003. Ratio: 1:31.54. Roller size: Φ400*2505. Spindle speed: 15-17r/min6. Motor power: 11kw7. Yield: 4-7t/h8. Bearing assembly: 3516*4,3508*4,CUP206*49. Overall size(m): 2.3*1.38*1.91