1. Type:360,430,500 2. Capacity:charcoal powder:400-1500kg/h; coal powder:1000- ... /h 3.Shape: ball, oval,pillow... Double-roll type press machine:This machine is specially designed according to the characteristics of charcoal powder ... high density, high strength, and high hardnessBall press machine working principle:1. Charcoal ball press can press charcoal powder, charcoal dust, coal powder, etc ...