1TPH Small Poultry Feed Pellet Production Line Exported to Chile. Raw Materials: grass, corn, soybeans, other grains, and nutrients, like vitamins, etc.. Diameter of Final Feed Pellets: 2.5/3mm/4mm. Equipment List: grass grinder, mixer, screw conveyor, temporary storage silo, feed pelllet machine, cooler, and finished feed bin, etc. Grass Grinder.