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How to distinguish the quality of bridge broken aluminum alloy doors and windows?
Editor: liefan, August 17, 2019 11:00:06
We should pay special attention to the quality problem when we choose the aluminum alloy doors and windows of Duanqiao when installing the house. Then how to distinguish the quality of the aluminum alloy doors and windows of the broken bridge? Xiaofei teaches you a few moves, so it is not easy to be trapped in the choice in the future.

 How to distinguish the quality of bridge broken aluminum alloy doors and windows?

To see whether the geometric angle of the profile is accurate, the profile can not be bent and twisted, and the angle should be correct.

 How to distinguish the quality of bridge broken aluminum alloy doors and windows?

Test the alkali resistance, acid resistance, wear resistance and weather resistance of aluminum alloy door and window profiles.

Four key points for installation of aluminum alloy safety doors and windows   [ Back to home page ] [ Printing ] [ Back to previous page ]    Aluminum alloy window with broken bridge is cheap and needs careful selection

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