... is twice more than traditional.With advantages of high pressure, high molding rate, high output, easy operation, rare fly-ash, ... , abrasive, fertilizer, ceramics, etc. Ball press machine feature:1. High efficiency2. Apply for many kinds of powder like charcoal ... charcoal ball.4. The products have high density, high strength, and high hardnessBall press machine working principle:1. Charcoal ball ...