Automotive sheet metal is a technical means of automobile repair, also called cold working. Automotive sheet metal repair refers to the repair of the car body after collision, that is, all the work except painting the car body for anticorrosion and decoration. Such as body damage analysis, body measurement, body sheet metal shaping, stretching correction, stress relief welding, body accessories assembly adjustment, etc.

Sheet metal is a comprehensive cold working process for sheet metal (usually less than 6mm), including shearing, punching/cutting/compounding, folding, welding, riveting, splicing and forming (such as automobile body). Its remarkable feature is that the thickness of the same part is consistent.