| Size range | W3500, H3500 |  |
| panel thickness | 1.0mm | |
| Track material | Steel or Aluminium alloy | |
| Window | Optional | |
| Wind pressure resistance performance | 0.35kPa | |
| Waterproof performance | Class 3 | |
| Airtightness performance | Class 2 | |
| Opening speed | 0.8-1.5m/s | |
| Size range | -35℃ ~70℃ |
