coal power briquette machine 1. Coal power press ball 2. Save work force and power 3. Easy operate 4. Different capacity Coal powder briquette press machine1 ... briquetting:1. Color and black metallic mine powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal powder, fireproof materials, Desulfurization gypsum, Dolomite, etc. Final ...