Inspection and Maintenance
WANJIA will make sure your window and door work smoothly, save energy and long-lasting. Remember to keep them in top shape by cleaning, lubricating, and fixing any issues that may arise.
Performing Easy Maintenance
Dust and dirt buildup is inevitable in daily use. Regularly cleaning helps maintain their attractive appearance and ensures they continue to perform exceptionally well.

How to clean glass and built-in screen?
After installing window and door, it is necessary for you to maintain their clean appearance so that you can live in a pleasant living or working space you have. Let’s move to the next. Here are some cleaning tips from WANJIA below:
How to clean window frame and track?
Besides glass and screen, you also need to pay attention to clean frame and track as well. Maintain regularly, keep smooth operation prevent damage and prolongs the lifespan.


How to make the hardware screw inspection?
Visually examine each screw for wear, damage, or looseness. Use a screwdriver to tighten any old screws, and replace any damaged or stripped screws as necessary for optimal performance.
How can I check the sealing strips on my windows?
Inspecting sealing strips is crucial part to ensure energy efficiency and prevent drafts. Check for any cracks or gaps, and test the seal by running your hand along the frame.


Regular Inspection and Maintenance Tips
From the moment you install the product, it is recommend to conduct inspections on an annual basis, taking into account the usage environment of your specific country and region. As for cleaning, it’s generally advised to clean them approximately twice a month. However, please note that these schedules are not fixed as they may vary depending on individual circumstances.
Your WANJIA Expert
WANJIA meticulous services guarantee the longevity and optimal performance of our products. Our approach prevents costly repairs.









