New Design 4 Tiers Manual Chicken Battery Layer Cage for Poultry Farms

New Design 4 Tiers Manual Chicken Battery Layer Cage for Poultry Farms. Long service life,high stability. Well ventilated,comfortable environment. Low cost of the equipment,easy to operate. Low proportion between forage and egg,low production costs. Applicable to manual or semi-automatic,open chicken house raising. Type A stepped shape,ideal natural ventilation.Hot dip galvanized material,15-20 years'service life. Sliding Grids,easy to move birds, no chicken escape.Two Reinforcing Ribs at Each Bottom Mesh. PVC Egg baffle,prevent chicken pecking eggs.