... :The agricultural straw, grain, sorghum, maize, bean , wheat, or waste, dry plant leaves, and so on. It ... introduction:HKJ250,HKJ300,HKJ350,HKJ450,HKJ610 are professional feed pellet mills. If u want to press 8mm ... the machine can make 1.5-12mm diameter feed pellets just by changing the die inside the ... high precision and quality.3. Working efficiency:All feed machine can be with steam and without steam . ...