Production Information
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Product Series |
House glazed timber doors casement glass wooden wood windows |
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Importantly, the installation of sound insulation softwood windows is different from the decoration of ordinary doors and windows, and the general investment is high. In order to avoid that you spend money and can not achieve the effect of sound insulation and noise reduction, you must sign a contract before the implementation of the project, and write clearly the effect to be achieved after treatment, such as how many decibels are reduced, what effect is achieved, etc. After the completion of the project, do a good job in acceptance and check the achieved effect and installation process.
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