... briquette is 60cm/20s), Large extrusion density, screw propeller with special wear-resistant materials, precision casting, life was over ten ... re-use of equipment, raw material through high temperature and pressure in a short time pressing. Therefore, good suppression of the stick ... can be round, square, etc. 30-100 mm in diameter, and then loaded into the kiln for charcoal stoves and carbonization ...