1. Shallow "pitting" polishing treatment
For those vehicles with shallow traces, they can be quickly treated by grinding. Use polishing wheel and polishing wax to remove the oxide layer attached to the car surface, and flatten the tiny scratches to get treatment.
2. Deep "potholes" are repaired with depressions.
If there are many pits in the car body, it is suggested that you take pit repair technology to deal with them, otherwise it will rust. Under the condition of not damaging the paint surface, it can be repaired with special tools. After simple treatment, the depression can basically be restored to its original state. Pit repair technology has been widely used abroad and is suitable for most vehicles.