Our twin screw extruders can produce floating and sinking feed size range 1.2-12 mm by adjusting temperature, moisture, formulation and changing moulds. Our fishing float making machinery also can be used for dry fish food production, such as Fish food, fish food, bird feed, monkey food, etc. Fish Feed Extruder AdvantLIMAes: 1. Enlarged&wLIMAened feed inlet, wear-resistant and durable. 2.