Sheet metal is a comprehensive cold working process for sheet metal (usually less than 6mm), including shearing, punching / cutting / compounding, folding, riveting, splicing, forming (such as automobile body), etc. Its remarkable feature is that the thickness of the same part is the same. Generally speaking, the basic equipment of sheet metal process includes shear machine, CNC punching machine / laser, plasma, water jet cutting machine, bending machine and various auxiliary equipment, such as uncoiler, leveling machine, deburring machine, spot welder, etc. Generally, the four most important steps of sheet metal process are shearing, punching / cutting, folding / rolling, welding, surface treatment, etc.

Automobile stamping parts, as the name suggests, are metal stamping parts that constitute automobile parts. In the automotive stamping parts, one part directly becomes auto parts after stamping, and the other part can become auto parts after welding, machining, or painting. There are many kinds of automotive stamping parts, such as automotive shock absorber stamping parts, spring tray, spring seat, spring bracket, end cover, cover, compression valve cover, compression valve sleeve, oil seal seat, bottom cover, dust cover, impeller, oil cylinder, support lug, support, etc.