Fortress Windows
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💎 Automotive Grade Raw Glass: Reduces heat loss and maintains optimal indoor temperature with superior sound insulation.
🛡️ Composite Seal Strip: EPDM foam composite tape ensures excellent airtightness and absorbs compression deformation.
✨ Flush Design: Frame and sash are perfectly flush for a simple, beautiful aesthetic and high watertight performance.
| Feature | Technical Specifications |
|---|---|
| Frame Width of Sightline | Around 2 inch sightline |
| Sash Depth | 70mm to 101mm options |
| Aluminum Extrusion | 6060 T66, 6063 T5 |
| Heat Insulation Strips | 33mm / 36mm PA66 Technoform spacer |
| Hardware Systems | SIEGENIA, ROTO, HOPPE, GU, CMECH |
| Window Styles | Awning, Casement, Tilt and Turn, Folding, Sliding, Single/Double Hung |
| Glass Insulation | Energy saving low to U value 0.79 W/m2.k |
Aluminum Casement Series
Sliding Windows Series
Drift Sliding Series
Awning Windows Series

External hanging windows provide modern sophistication for residential and commercial use. Benefits include high durability, minimal maintenance, and enhanced ventilation control.



The facility covers 35,000 square meters with an annual production capacity of 400,000 square meters. Equipped with high-precision automatic processing equipment and CNC centers to ensure fast lead times for global projects.

