Easy Installation and Longer Life Functional dual sliding window on China WDMA exterior Shutter window can be operable

Shutter window can be operable or fixed

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German siegenia hardwares

Easy Installation and Longer Life Functional dual sliding window on China WDMA exterior Shutter window can be operableEasy Installation and Longer Life Functional dual sliding window Product Display Characteristic and advantage: Natural environmental protection Sound absorbing insulation Anti knock and lightning protection Heat preservation and insulation Prevent theft Wind load resistance Watertightness Dust prevention Long durability High weather resistance even in coastal areas Highly adaptable to architectural requirement Our Service: Proposal: Make cost