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Fortress Windows
Fortress Windows
| Test Item | Unit | Test Results | Level |
|---|---|---|---|
| Air Tightness (Positive Pressure) | m³/(m·h) | 1.4 | Level 6 |
| Air Tightness (Negative Pressure) | m³/(m·h) | 1.3 | Level 6 |
| Water Tightness Performance | Pa | 350 | Level 4 |
| Wind Resistance Performance | kPa | 2.68 | Level 4 |
| Thermal Insulation (Heat Transfer) | W/(m²·K) | 2.2 | Level 6 |
Founded in 2014, our facility covers an area of 7,000 square meters. We are a specialized enterprise integrating door and window design, research and development, deep processing, manufacturing, sales, and service. Over 10 years of development, we have consistently provided high-quality products and excellent technical support. Adhering to innovation, we are committed to building a benchmark brand in the aluminum door and window industry, creating beautiful homes with high-end system products while promoting environmental protection.
