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Fortress Windows
| Model NO. | w40 | Material | Aluminum Alloy |
| Open Style | Opening | Frame Material | Aluminum Alloy |
| Screen Netting | Nylon | Style | Modern |
| Opening Pattern | Horizontal | Function | Heat Insulation, Soundproof, Anti-Theft, Insect-proof |
| Surface Finishing | Finished | Security Rating | A |
| Product Name | Folding Window | Hardware | Germany Brand |
| Color Options | 12 Colors Available | Glass Type | Hollow Glass / Laminate Glass |
| Application | Residential/Commercial/Industry | Size | Customized Size |
| Certificates | ISO9001/Patent Design Certificate | Feature | Waterproof/Anticorrosive |
| Thermal Strip | PA66 | MOQ | 1 Set |

