... production line including crusher, caibonization machine, special mixer, ball press machine, briquette machine, three series dryers and so on ... round shape or any shape; B. Briquette press machine, widely used to coal and charcoal shaping processing; C. Dryer, rotary dryer, ... : Charcoal, coal, carbon powder, gyspum powder, and any mineral powder; Shape of final product: round, square, pillow, oval, ...