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Topanish Door
| Project Name | Aluminum Alloy Window |
|---|---|
| Contour thickness | Window: 1.4-3.0mm | Door: 1.4-5.0mm |
| Size | Customized |
| Type of glass | Double-glazed (5mm+12A+5mm to 12mm+12A+12mm), Lowe, Laminated (0.76 PVB) |
| Surface treatment | Powder coating |
| Hardware brand | German VBH or Top Chinese RLS |
| Color | Grey, Coffee, White, Black (Customizable for large orders) |
| Test Item | Unit | Result | Level |
|---|---|---|---|
| Air Permeability (Seam Length) | m³/(m·h) | 1.4 | Level 6 |
| Air Permeability (Area) | m³/(m²·h) | 2.3 | Level 7 |
| Water Tightness | Pa | 350 | Level 4 |
| Wind Resistance | kPa | 2.69 | Level 4 |
| Thermal Insulation (K-Value) | W/(m²·K) | 2.2 | Level 6 |





Founded in 2014, our facility covers an area of 7,000 square meters. We are a specialized doors and windows enterprise integrating design, R&D, deep processing, manufacturing, sales, and service. Over 10 years of development, we have focused on providing high-quality products and excellent technical support.
We are committed to building a benchmark brand, focusing on construction quality, product efficiency, and culture. Our mission is to enable users to use high-end system products to build beautiful, resource-efficient homes while promoting environmental protection in the construction field.




