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