1. high density 2. good performance 3. long service life 4. moiature:8%-12% ... moisture ≤12%, length ≤ 5mm,diameter ≤ 3mm),such as sawdust, sugar cane, rice straw, rice stalk, bamboo, corn ... density and energy concentrated hollow bio fuel briquettes(half-charcoal stick) under high pressure and temperature. During this ... *1250mm1800×700×1500mm Hot Sale Biomass sawdust briquette charcoal making machine