... 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 . ... lower capacity too.Note : if materials contain much protein and glucose, easily to press, there is no ...