Briquette machine: 1, raw materials: coal, charcoal, carbon powder; 2, shape of final product: round, oval, square, pillow; coal/charcoal./carbon powder/briquette machine OEM manufactuer2-50 t/h1, Briquette machine introduction: There are two differents briquette machine: ball press machine and briquette press machine.Ball press machine are mainly used to press the coal or other mineral powder or ...