Biomass ring-die pellet mill is a nationally pioneering product designed by the technical team from Jiutian. The design of the molds is unique. The press rollers are made of wear-resistant alloy material, The working life of wearing parts is several times of similar products. Transmission structure can realize the automatic filtering process of grease. This product with unique design, proper structure, low energy cost, and strong wear resistance, which fills the domestic technical blank of vertical ring-die pellet feeding equipment. This palletization equipment is applicable to materials that are difficult to mold and bond, such as rice husk, sunflower seed husk, and peanut shell, branch, trunk, wood rind, crop straw, rubber, cement, ash, and other chemical materials. The pelletized product can be used in the biomass fuel plant, power plants, timber processing plants, fertilizer plant, and chemical plants. This product is a satisfying compression molding equipment with low capital cost, quick profits, and free risk.