... years Biomass energy wood pellet millYou can use raw material such as wood logs ,wood branch ,sawdust , ... crops with fiber to pruduce pellet .Usually when the size of the raw material is smaller than 5mm ... 10%-14% ,you can directly use the raw material to produce pellet ,if not ,at first ,need crush ... raw material so that the raw material can be easy to produce pellet .Then the raw material will go to the ...