... pure plastic; 3. Hot dip galvanized tube,diameter 45MM,3-4 holes; 4. Driven reducer 750W, 380V, capacity 450 kg / h; 5 ... a clearance which can remove the impurities in the feed 4. Drive system,with a speed 36m/min, the scientific design ... 24 hours automatic control of feeding time. Automatic Chicken Feeder line of farm equipment