What are the components of a car production line?

Generally speaking, it is the four major process flow:
1, stamping -- making all kinds of sheet metal parts
2. Welding process - the process of welding the sheet metal parts such as chassis.
3. Painting -- electrophoresis and painting process for all kinds of parts that are well welded.
4, General Assembly - will do the painting body, frame to carry out the assembly of various components, complete the vehicle assembly inspection process.