Twin screw fish feed extruder, also called floating fish feed machine, is widely used to produce high quality aquatic feed pellets for fish, catfish, shrimp, crabs, lobsters, etc. We have two types of fish food extruders, dry and wet type fish feeding machine model, through feed materials, extrusion, training, filling and cutting, drying, oil spray, packaging to produce floating and sinking fish feed pellets automatically, besides, You can change the degree of extrusion to influence the float time.