1. The dust on the doors and windows should be cleaned regularly to keep the doors, windows, glass and hardware clean and bright. 2. If the door and window 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. Corrosion of hardware. 3. The granules and other debris on the inside of the frame should be cleaned in time to prevent the drainage channel from being blocked and causing poor drainage and water leakage. 4. When opening the door and window, the intensity should be moderate, try to keep the speed even when opening and closing. 5. Try to avoid hitting the door or window with a hard object or scratching the surface of the profile. 6. When the door and window are found to be inflexible or other abnormal conditions during use, the cause should be found in time. If the customer cannot eliminate the fault, contact the door and window manufacturer and supplier so that the fault can be eliminated in time. Solar Led Holiday Light,Solar Garland String Light,Led String Light For Christmas,Solar Garland String Fairy Lights Shenzhen You&My Electronic Technology Co., Ltd , https://www.szyoumylighting.com
How to maintain and maintain steel doors and windows