Sales and leasing of automobiles; Distribution of second-hand automobiles (excluding scrapped automobiles, recycling and dismantling of scrapped automobiles, vehicle evaluation and auction business); Conference and exhibition services; Processing and sales of automobile parts; Import and export business; Technical consultation, development and transfer of automobiles; Automobile parts, hydraulic and pneumatic components, hardware tools, electrical equipment, automobile fittings and chemicals Products (excluding hazardous chemicals and precursor chemicals), steel, hollow glass equipment, bridge cutoff aluminum doors and windows equipment, numerical control equipment, aluminum plastic profile equipment, packaging machinery, mechanical equipment and accessories, wholesale and retail of lubricating oil, and other items not prohibited or not required by laws, regulations and decisions of the State Council. (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments)