This product line includes: (1) assembly line of small CS assy: T BRA pressure, B/H ASSY assembly, CS glue, CS seal and CI board bearing assembly and gap testing, the balancing test; (2) Assembly line of small body Group: CH marking, CH turbocharger connect pipe press station, CS seal station, CS hoop tight assembly, CH fastening and WGE support ring assembly, welding station, final testing station and so on.