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 ... , peanut seedlings, and sunflower stalk), rice husk, grass, shrubs, branches, wood cut-off head, bamboo debris, bagasse and the like as ...