... Press MachineCharcoal ball press can press charcoal powder, charcoal dust, coal powder, etc into ball or pillow-shaped charcoal. The diameter ... kinds of materials, such as coal powder, charcoal powder, coking coal, coke breeze, dusting ash, steel slag, coal slag, iron fine powder, aluminium ... ,6. manganese alloy,7. sludge, gypsum,8. carbon,9. silicon carbide,10. copper powder,11. iron powder12.coke ...