TGJ series Double Layer Vertical Ring Die Pellet machine is independently developed, designed and manufactured for pressings kinds of biomass materials. This type pellet machine adopts traditional flat die pellet machine and horizontal ring die pellet machine advantages.It has unique appearance,more reasonable structure and stability. It suitable for Wood including pine, poplar, fir, branches, bark, sawdust, shavings and so on; for Straw like corn straw, wheat straw, rice straw, rice husk, peanut shell, cotton stalk, etc; for Waste: building templates, furniture scraps, wooden pallets, municipal garbage, drug residue, mushroom residue, sludge and so on.