... , refractory, abrasive, fertilizer, ceramics, etc. Ball press machine feature:1. High efficiency2. Apply for many kinds of powder like charcoal, coal, mineral ... raw materials:coal dust, charcoal powder coal slurryThe process of pressing charcoal powder:Charcoal powder (less than 5mm) → Mix bonds to ... -3T3603607.54-6T430430156-8 ball shape Double-roll type press machine for charcoal powder