... more reasonable structure and stability, Professional for Wood, Rice husk, Peanut shell, Bamboo and Palm fiber etc. ... and discharge steam.Working parts: Ring-die and rollers materials are alloy steel, Heat treatment made by ... hardness and density, The special design is 4 rollers working, Increase press rate then increase capacity, Ring ... 6906 3929 Fada Brand Vertical Ring Die Rice Husk, Wood Pellet Mill