The dust on the doors and windows should be cleaned regularly to keep the doors and windows, glass and hardware clean and bright.
If the doors and windows are contaminated with oil stains and other difficult-to-clean things, it is best not to use strong acid or strong alkali solution for cleaning, otherwise it will not only easily damage the surface finish of the profile, but also damage the protective film and oxide layer on the surface of the hardware and cause hardware. rust.
Should promptly clean up the particles and other debris inside the frame to prevent them from blocking the drainage channel and causing poor drainage and water leakage.
When opening doors and windows, the force should be moderate, and try to keep the speed even when opening and closing.
Try to avoid hitting the doors and windows with hard objects or scratching the surface of the profile.
When it is found that the doors and windows have inflexible opening or other abnormal conditions during use, they should find out the reasons in time. If the customer cannot solve the fault, he can contact the door and window manufacturer and supplier so that the fault can be eliminated in time.