... .high output 2.Color and black metallic mine powder 3.Coal powder,Coke powder,Lignite,etc This briquette machine have two larger ... can be use:1. Color and black metallic mine powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal powder, fireproof materials, Desulfurization ... be kept in the range of 8-20%. HIGH OUTPUT coal briquette machine