Material Hot Galvanized Steel Type H Type Capacity:180 240 300 360 birds per set Life Time 15-20 Years Certificates ISO9001, Soncap Main Advantages Long-lasting quality, hot-dip galvanized material with 15-20 years service life. Intensive management and automated control. No waste of feed, save feed cost. The sufficient drinking guarantee. High-density raising,saves land and investment. Automatic control of ventilation and temperature. Automatic System:Automatic Feeding System,Automatic Drinking System,Automatic Egg Collection System,Automatic Manure Cleaning System,Enviroment Control System,Prefab Steel Structure.