Research, development, and manufacturing of automotive braking systems, steering system components, automotive shock absorbers, vehicle air conditioning equipment, and automotive parts molds; sales of products manufactured by the company and provision of related technical services. (For items subject to national special regulations, operate after obtaining special permits.) General items: manufacturing of general equipment (excluding special equipment); research and development of mechanical equipment; sales of new energy vehicle production testing equipment; sales of mechanical equipment; sales of mechanical and electrical equipment; import and export of technologies; import and export of goods; manufacturing of mechanical and electrical equipment.