First of all, in use, aluminum alloy doors and windows should be light when opening or closing. Natural push and pull. Do not push and pull the doors and windows very hard. This will not only take effort, but also cause a certain reduction in the service life of the doors and windows equipment.
Secondly, it is necessary to often clean the windows and doors with tools specially used for sober windows and doors. This requires the windows and doors to be beautiful and not difficult to push or pull because of the dust accumulation in the sliding slot. Also, pay attention when cleaning doors and windows. You should use a soft cloth and some neutral detergent to clean it. Do not use some strong acid and alkaline detergents such as soap or washing powder commonly used at home. The main reason is that aluminum alloy doors and windows contain metal elements, which are strongly corroded by strong acids and alkalis. Will cause premature aging of doors and windows. In wet weather, you should use a dry cloth to wipe the doors and windows where they are wet, to ensure that the door and window chute is clean and dry.