One is drilling. That is, drill several small holes in the metal at the pit, then screw the self-tapping screw into the hole, and clamp the screw head with pliers to pull it out.

The other is called the pull ring method. According to the damaged area of sheet metal parts, a certain number of flat pad pull rings are welded, steel wires are inserted into the pull rings, and then the steel wires are pulled manually or mechanically to restore the pits to the ideal position.

Car beauty

Automobile beauty refers to the brand-new maintenance and care of automobiles by adopting different kinds of automobile beauty care products and construction techniques according to the maintenance conditions of different parts and materials of automobiles. The concept of "automobile beauty" first appeared in China in 1994. At the beginning of its introduction, it generally refers to almost all car services. With the continuous development and evolution of automobile aftermarket service industry, the contents of automobile beauty now have been subdivided into: automobile washing, automobile painting beauty (waxing, glazing, coating and crystal plating) and automobile interior care (indoor cleaning, indoor sauna, etc.). Automobile products, automobile decoration and so on are also automobile beauty projects.

Chinese name automobile beauty

Mbth automobile beauty

Concept generation time 1994

Another name is car maintenance and nursing.

Physical beauty, inner beauty, paint treatment and other types.