... machine , coal briquette machine to make coal and charcoal powder into round shape , suqare , egg shape so charcoal briquette ... shape , oval shape , round , squarematerial: coal powder , charcoal powder , coconut shell powder , rice husk charcoal powder , wood charcoal powderModelDiameter (mm)Productivity (pcs/min)Motor ... -220 <2204011 kw 3.6t square hollow charcoal powder briquette machine for fuel