... mining, coal, refractory, abrasive, fertilizer, ceramics, etc. Ball press machine feature:1. High efficiency2. Apply for many kinds ... When the material to the two rollers rotating line contact point, the pressure of materials has reached the ... :Egg-shaped ball, oval-shaped ball, circular-shaped ball, square-shaped ball, columnar-shaped ball, banding-shape ball, cake-shaped ball, etcTechnical Data ...