(biomass pellet maker/pelletizer) refers to the compression of low energy density crops, forest waste, sawdust, and waste wood chips into granular fuel with high density, high specific gravity, and hard texture. The pressed biomass wood pellets have the characteristics of easy ignition, high calorific value, low ash content after combustion, cleanliness, and sanitation, which are widely used in industrial, domestic boilers, and civilian cooking and heating, and is a high-quality fuel that can replace coal.