egg layer cage factory A/H type layer cage high quality,ISO9001 layer cage lifespan:28-year design layer chicken farm egg Layer cage detailscage structure Black to black, 2 floors, 3 floors, 4 floors Length 1.80m, 2.0m, 2.15m Width 1.90m, 2.0m, 2.30m Height 1.30m, 1.5m, 1.70m Average area/chicken 230m² to 250m² Frame to support cage mesh in line and fittings Feeding system and Drinking system ...