First, it is best not the first reason why the doors and windows are hung with heavy weight is that the doors and windows are more than bearing force of the overload for a long time, which will make the doors easy to loosen. Secondly, if the hanging items are relatively sharp sharp tools, it is easy to scratch the door.
Second, some people often use wet hands to open the door lock, which may not seem to do much harm to the door in a short period of time. Over time, rust can be seen or not seen by the eyes, the performance of the door lock is greatly damaged.
In addition, sputtering corrosive solution to aluminum alloy doors and windows will also have corrosive effect on aluminum profiles. Do not push too hard when opening the door lock or turning gate lock handle. Hinge, door lock, etc. are some frequently moving hardware accessories. When loosening occurs, tighten the screws immediately.
Third, when scrubbing the glass, do not let the cleaning agent or water enter the gap of the glass bead to avoid deformation of the bead. Do not use too much force when scrubbing the glass to avoid damage to the glass and personal injury. After the glass is damaged, professionals must be asked to repair it.