The sheet metal method of automobile corner dent is 1, and the so-called automobile dent repair technology is also called micro-sheet metal, and sometimes it is also called seamless nondestructive technology. Anyway, repairing the concave surface of the car body does not need to destroy the original car paint; 2, the principle is actually very simple, that is, based on optics and mechanics, the pits with different depths are slowly restored to the original factory. Look at the picture below, you can see it at a glance; 3. Non-destructive repair is limited to dents with undamaged paint. If the paint surface and cracks can only be painted with sheet metal, if there are only minor scratches and dents, it is recommended to repair the dents in the car. After all, the original painting is a treasure. Once the paint car depreciates immediately.