1 / 5
| Column and beam | Welding steel or hot-roll steel |
| Steel surface treatment | Hot-dip galvanized or painted (all colors) |
| Steel grade | Q235, Q355 |
| Purlin and girt | C and Z section steel |
| Connection Method | Bolt connection, easy installation |
| Wall & Roof | Steel sheet, Sandwich panel (EPS/PU/rock wool) |
| Door | Rolling door or sandwich panel sliding door |
| Window | Plastic steel door or Aluminum window |
| Design life span | 25 - 50 years |