China WDMA Aluminium Frame Aluminum Bi Folding Window Type:Single Hung Windows for thermal rating and Acoustic

for thermal rating and Acoustic are above the international standard

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If you really want the grandest of all doors then this is the product for you

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Thickness of steel sheet

China WDMA Aluminium Frame Aluminum Bi Folding Window Type:Single Hung Windows for thermal rating and AcousticPlace of Origin: Guangdong, China Frame Material: Aluminum alloy Open Style: Folding Feature: Folding Screen, Magnetic Screen Opening Pattern: VERTICAL, Horizontal Screen Netting Material: stainless steel Product name: Topwindow Aluminium Frame Aluminum Bi Folding Window Material: Aluminum Alloy+Glass Color: Customized Colors Glass: Tempered Glass Low E Hardware: Chinese Top Brand Germany Brand Surface treatment: Powder