It is widely used in large, medium and small aquaculture, grain and feed processing plants, livestock farms, poultry farms, individual farmers and small and medium-sized farms, farmers or large, medium and small feed processing plants. How is Lima Ring-die Feed Pellet Mill Mainly Structured. This animal feed pellet machine is mainly structured with feeding device, hardening and tempering device, conditioner device, press chamber transmission system, overload protection and electric control