small scale guppyl fish feed machinery in South Africa-Fishpelletmachines. wet type koi fish feed pellet extruder in South Africa-Small Features of Wet Type Fish Feed Machine. 1.Fish feed pellets produced by this fish feed extruder are solid, water resis. Email:lima37@limamachinery-Lima. Whatsapp:8619337889051. Home. Products. Feed crushing machine.