Coal ball press machine specializes in processing coking coal, aluminum powder, iron powder, tin oxide, carbon powder, coal powder, slag, gypsum, tailings, sludge, kaolin, activated charcoal, coke and other micro-powder, but also processed coal powder, charcoal powder, iron powder, and other powdered materials, the briquettes made by this machine have round, pillow, oval and other shapes, which is energy-saving, environmentally friendly, easy to transport, high efficiency, energy saving and other characteristics.