Biomass fuel pellets have environmental protection and energy-saving effects. Many companies and power plants have begun to use biomass pellets. This is because biomass pellets are cleaner and safer than coal, and the price is also lower, so biomass pellets are still very popular in the market. Biomass fuel pellet machines are machines that squeeze raw materials such as sawdust or wood chips into pellets through pellet machines, but biomass fuel pellets are also targeted. So what are the main raw materials processed by biomass fuel pellets?