... , width:1150mm, tongue and groove structure, 0.426mm color steel with polystyrene inside, color: whiteLightingCeiling lights: 16Unitsx4Pcs=64Pcsx36W, Side lights: 10Unitsx4Pcs=40Pcsx36W ... fromrear side direction, quadrate steel frame, outside is white coatedsteel, inside is galvanized steel.Intake and exhaust air systems2 units, in ...