Materials:Stainless steel ,low-carbon steel,etc. Process:Welded. Professional Manufacturer. good quality and pretty price. Design layer chicken cagesMaterial: entirely hot galvanized mesh, horizontal sliding gate, bottom mesh/rear mesh/partition mesh: 2.5mm thick, upper mesh: 2.5mm thick, front mesh/gate: 4.0mm thick, Frame, pre-fabricated,3 or 4-tier, 2.0mm thick tube type steel, cold galvanized ...