... stalk, cotton stalk, rape straw, peanut seedlings and sunflower stalk), rice husk, grass, shrubs, bamboo ... steel ring die to ensure the pellets smooth and of high quality. 5. International advanced ... power transfer coupling with innovative, compact structure and safe, low-noise, low-fault performance. Main ... φ4-10 High capacity CE/ISO Ring die SIEMENS motor biomass pellet machine for wood