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 have to destroy the original car paint. The principle is actually very simple, that is, based on optics and mechanics, using the lever principle, the pits with different depths are slowly restored to their original appearance. You can see the picture below at a glance.

The details still depend on your sinking map. Like this one in the picture, 300 yuan is almost enough.

The repair technology of automobile dents is different from that of sheet metal painting, and there are generally three factors that affect the price: the size, location and sharpness of dents. In the picture, the price of white area is relatively low, the price of gray area is slightly higher, and the price of red and black areas is relatively high.