Clean the wheel hub. After cleaning the hub, dry it with a towel. Pay attention to wipe off the oil stain on the wheel hub surface with degreased waxing paper after cleaning, otherwise it will affect the painting! Removing the wheel hub can clean up some iron chips and stones on the wheel. Look, there are quite a lot of iron filings!

2. Wipe the scratches with water sandpaper and polish them repeatedly until smooth. Then fill the scratches, and the filler is putty. Scrape several times, the requirement is that the interval of each scraping is 5~ 10 minute, so that the putty can be fully dried.

3. After the putty is dry, gently polish the scratches with water sandpaper until the surface is smooth; Then use the paint solution with the same color as the wheel hub to paint the scratches properly.

4. Painting and polishing.