The application of Wood Pellets is extensive worldwide, and the use of biomass pellets can be seen in daily life. Wood pellets are made from agricultural or forestry wastes such as straw, sawdust, bagasse, peanut shell, sunflower seed shell, saw shavings, grain stalks, and straw. Pellet fuel shall be processed via crushing, drying, mixing, pelleting, cooling, screening, and packaging. Biomass pellets are used widely as a new green energy fuel, mainly used as a substitute for fossil fuel (coal, gasoline, and natural gas), and mainly applied to the following industries.