•Screw sleeve is in a structure of sandwich where cool water or steam can be inducted for cooling or heat keeping respectively,thus ensuring the best cooking effect and obtaining the best extruding quality.

•The movable knife housing is used,which result is good elasticity of knife. The rotational speed can be adjusting steplessly. Die plate can be changed due to the requirement to produce the extruded feed with different pelelt diameter and shape.

•Stainless steel external discharge mechanism

•It can produce pet food and sinking and floating aqua feed.