... power 3. Easy operate 4. Different capacity Coal powder briquette press machine1.Mold materials:mineral power, metal ... and other material.2.Characteristics of products: high density, high strength and high hardness3. Note: The press roller of the ... Color and black metallic mine powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal powder, fireproof materials, Desulfurization gypsum, Dolomite, ...