... rare fly-ash, evenly distributed heat and stable quality.Ball press is widely used in metallurgy, mining, coal, ... refractory, abrasive, fertilizer, ceramics, etc. charcoal ball press feature:1. High efficiency2. Apply for many kinds of ... :Egg-shaped ball, oval-shaped ball, circular-shaped ball, square-shaped ball, columnar-shaped ball, banding-shape ball, cake-shaped ball, etcTechnical Data ...