sawdust briquette charcoal 1,length > 100mm 2, burning time:4-6 hours 3, smokeless, non-polluting 4,20 years experence Our factory produced machine-made charcoal is fully used hard wood sawdust, extruded by machine, made of high quality charcoal smoke off the fuel, without adding any chemical additives, mainly used for barbecue, BBQ, water purification, home. 1 Products shape: Four prisms, six ...