2. Oiling: Oiling the place to be painted.
3, grinding: choose the right sandpaper to grind the parts that need painting, and be sure to smooth all the paint.
4. Scraping putty: After all the paint is worn off, you can scrape it with putty.
5. Cleaning and covering _ After scraping the putty, blow off the dust and impurities on the surface with an air gun to prevent the paint from splashing.
6. Painting: At this time, spray the pre-adjusted paint for 3-5 times.
7. Finishing: After the paint is finished and dried, the uneven places should be polished and trimmed to make them natural.