To preserve the color and condition of an aluminum alloy color steel plate door, it is important to regularly clean and maintain the door. This includes:

Cleaning the door: Use a mild detergent and water to clean the door, avoiding abrasive materials that can scratch the surface.

Protecting the door from the elements: Use a protective coating or wax to protect the door from the sun, rain, and other weather conditions.

Avoiding impact damage: Be careful not to bang or dent the door, as this can cause permanent damage.

Regularly Inspecting the door: Check the door regularly for any signs of wear or damage and address them promptly.

Lubricating moving parts: If the door has any moving parts like hinges, locks, and rollers, lubricate them periodically to ensure smooth operation.

By following these steps, you can help ensure that your aluminum alloy color steel plate door lasts for a long time.