... sticks, groundnut shells, Bamboo, wood, straw dust, Mustard stalk and cotton stalks ,nutshell, coconut shell ,etc Working principle:Briquette machine ... biomass is liberated with wood fiber under high pressure and temperature.In the briquetting process lignin serves as the glue ... Imported SKF/NSK bearing 4. Equiped with auto cooling and oil adding system 5. National patent 6. Reasonable price Main data: ...