... agricultural straw, grain, sorghum, maize, bean , wheat, or waste, dry plant leaves, and so on. It is granulation of materials such ... .2. Working introduction:HKJ250,HKJ300,HKJ350,HKJ450,HKJ610 are professional feed pellet mills. If u want to press 8mm feeds,We will ... can ensure machine high precision and quality.3. Working efficiency:All feed machine can be with steam and without steam . difference as ...