External aluminum fixed cheap shutters can be efficient in absorb the noise from city, road and viaduct.
Production Description
In terms of profiles, various sealing strip fixing grooves have been completed together with the section in the extrusion process, creating favorable conditions for the installation of joint sealing materials.
Beautiful appearance: after anodic telephone treatment, the surface of houses with window shutters can be in various colors, which can be selected arbitrarily. It is bright and shiny after oxidation.
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