This is sawdust briquette making machine.Machine adopt good quality carbon steel,the service life over 10 years.The material can be various biomass,like palm kernel,peanut shell,branch,logs,ect.The material size must less 5mm.If material too big,we will recommend you crusher according to your requirement.Besides the material size must less 5mm,the moisture of material should be 12%.Too wet or too dry will cause bad forming effect.If your material moisture over 12%,we have sawdust drying machine.After crushing,the material was delivery to drying machine,then it was sent to forming machine.