... trusses are made of 353 style steel and 20*20 sqaure steel tube,some robs fixed on the ... upper surface and blue nether surfaceDoorColor steel sandwich board door, size:800mm*2000mmWindowColor steel window, size:1200mm*1000mm, color:blue ... ,red and whiteOptional AccessoryReassemble CeilingColor steel single sheetReassemble ground ...