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Fortress Windows
| Certificate | UL / BS-EN / CE / AS |
| Fire Resistance Time | 20 / 30 / 45 / 60 / 90 / 120 Minutes |
| Size | Customized Size |
| Color | As Picture Or Customized |
| Design | Free Customized; OEM Customized |
| Application | Hotel / Apartment / School / Hospital / Villa / Etc. |



















