1)Ring die and gear drive type 2)wood pellet machine without confectioner 3)Ring die pellet mill is far superior to flat die Ring die wood pellet machineDescription:* With sawdust, crop straw (corn stalks, sorghum stalk, soybean stalk, cotton stalk, rape straw, peanut seedlings, and sunflower stalk), rice husk, grass, shrubs, branches, wood cut-off head, bamboo debris, bagasse and the like as raw ...