... Capacity:charcoal powder:400-1500kg/h; coal powder:1000-10,000kg/h 3.Shape: ball, oval,pillow... Double-roll type press machine: ... for many kinds of powder like charcoal, coal, mineral, metal.etc.3. Make round type or pillow type or oblong type charcoal ball.4 ... press charcoal powder, charcoal dust, coal powder, etc into ball or pillow-shaped charcoal.2. This series of Coal ball type pressure machine ...