Vertical ring die pellet machine is a high efficiency centrifugal pallet machine which adopted advanced experience from abroad that the die is double stack mold and the roller with high alloy and high abrasive material. This machine has the advantages of unique design, reasonable structure, energy reduction, high performance and lifecycle extended. The powder of raw material could be process to rod, such as rice husk, shell of sun flower seed, peanut shell, various kinds of wood waste rod, branches, tree bark; all kinds of crops straw and other chemical material such as rubber, concrete and ash, etc.