... such as various feedstuff for livestock,cow, horse, poultry and aquatic products, grassmeal,etc.2. Working introduction:HKJ250,HKJ300, ... . Working efficiency:All feed machine can be with steam and without steam . difference as follows:With steam : (1).materials with 0 ... needs time to be soft, during pressing process, more friction between roller and die. In this case, lower capacity too.Note : ...