Feed pellet mill are mainly divided into ring die feed pellet mill, flat die feed pellet mill, roller feed pellet mill, etc. Different types of pellet machines differ in terms of output, applicable scenarios, etc. For example, the flat die pellet machine has a 180° flat discharge, which is suitable for small and medium-sized farms or feed processing retailers. It has the characteristics of easy movement, convenient use, simple maintenance, low investment, low cost, and mechanical and electrical dual-purpose; the ring die pellet machine has a 360° ring discharge, which is the first choice for large and medium-sized farms or feed manufacturers. It has the characteristics of high output, long life, can be used in conjunction, good degree of automation, good continuous operation performance, uniform feed quality, and low maintenance cost.