... Shape: ball, oval,pillow... Double-roll type press machine:This machine is specially designed according to the characteristics of charcoal ... , coal, refractory, abrasive, fertilizer, ceramics, etc. Ball press machine feature:1. High efficiency2. Apply for many kinds of powder ... of pressing charcoal powder:Charcoal powder (less than 5mm) → Mix bonds to stir → press mixer into different shapes.Shapes ...