Use:Chicken Product:Broiler Battery Cage Cage Type:H Type, A Type Material:Hot Dip Galvanized Steel Tiers:3 tiers,4 tiers Size:3000mm*1820mm*450mm 2000mm*1800mm*450mm Max Raising Density:50 kg m2 Raising Area:5.46 m2 Tier Raising Quantity:64 birds-120 birds Tier Lifespan:15-20 years Certification:ISO9000,SONCAP