... refractory, abrasive, fertilizer, ceramics, etc. Ball press machine feature:1. High efficiency2. Apply for many kinds of powder like charcoal, coal, mineral ... ball, circular-shaped ball, square-shaped ball, columnar-shaped ball, banding-shape ball, cake-shaped ball, etcTechnical Data:Charcoal powder: ModelRoller ... 3T3603607.54-6T430430156-8 ball shape Double-roll type press machine for charcoal powder