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Aluminium windows and doors

Many people think that aluminum alloy doors and windows basically do not have to be taken care of after the installation is completed,

and you no longer pay attention to its existence in addition to routine cleaning.

And in the process of usage,

some people do not cherish the for aluminum alloy doors and windows so that many doors and windows begin to go wrong prior to their service life,

such as, not sliding by pushing and pulling, doors and windows deformation, seepage and so on.

The reasons for these problems are some wrong methods during the use of the doors and windows.