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Fortress Windows
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| Product Name | Casement Window |
| Material | Aluminum Alloy+Glass+Accessories |
| Color | Customized |
| Size | Customized |
| MOQ | 1 SET |
| Thermal Strips | PA66 |
| Hardware | HOPO |
| Open Style | External, Internal, Tilt & Turn |
1. Multi cavity structure profiles (bridge cut aluminum) effectively block thermal conduction.
2. Multi channel sealing design (three seals) prevents sound leakage by filling gaps tightly.


45° diagonal joint with corner code injection glue ensures high structural strength and ultimate sealing. Corner protectors effectively avoid harm to users, especially children.


Rainwater is effectively discharged outward, reducing backflow risks. Hidden drainage holes maintain a concise appearance while preventing dust and insects.


