Ring die pellet mill for animal feed pellets The HKJ320,HKJ420,HKJ508 ring die pellet mill.this machine is mainly use for pressing animal feed pellets,like chicken feed,cattle feed,sheep feed.there are two rollers and one ring die inside of the pelleting room,it has more pressure to press all different kinds of raw materials,no matter all kinds of corn,or mix some grass,peanut shells,rice husk