... steaming, extrusion and shaping in one step without boiler.Pellets with moderate protein and fat contents for feeding warm-water species ... such as tilapia, catfish, eels, etc.Pellets with high protein and fat contents, with a good water absorption rate and high water ... tail, sea bream, sea bass, etc. 2.Voltage:in China: Three phases: 380V/50Hz, Single phase: 220V/50Hz, we can make it according ...