... 3. Advanced technique 4. Good quality,hig Various metal powder ball press mould machine 1. supply higher pressure ... . use to make briquettes from coal powder, charcoal powder and coke powder with binder. Suitable materials for briquetting: ... powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal powder, fireproof materials, Desulfurization gypsum, Dolomite, etc. Various metal powder ball press ...