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WDMA Noise Reduction Window - China suppliers aluminum sound insulation noise reduction sliding window / awning windows

Product Description  75mm depth of the frame structure, and aluminum-wood co-existence structure which ensures higher wind pressure resistance and shock resistance of the section  More advanced co-existence patent technology for a new generation of structure which is more stable and can adapt to all the weather conditions  22mm pure raw...

China Windows and Doors Manufacturers Association

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