2. Filling: If the reinforcement treatment is not suitable, you can consider using a filling material, generally polyester powder or glass fiber resin, which can form a thickness and reduce the depth of the circular depression.
3. Repair: If there are relatively large pits on the surface of the car body, you can try to repair them. Generally, paint or sandpaper can restore the original color and reduce the depth of the pits.
4. Grille cutting: Compared with reinforcement and filling, this method has obvious effect. Grid cutting equipment can be used to accurately cut aluminum plates into suitable shapes and replace large concave areas.
Million car purchase subsidy