- Top Main Beam: Q235B galvanized pipe, 60×80×1.5mm
- Bottom Main Beam: Q235B galvanized pipe, 80×140×1.5mm
- Front & Rear Main Beams: Q235B galvanized pipe, 60×80×1.5mm
- Sidewall Frames: Q235B galvanized pipe, 40×80×1.5mm
- Top & Bottom Load-bearing Beams: Q235B galvanized pipe, 40×40×1.5mm



