Manufacturing, processing, and sales of automobile parts, motorcycle parts, and mechanical parts; sales of hardware tools, building materials (excluding hazardous chemicals), household appliances, daily necessities, and steel; leasing of houses and machinery and equipment; technology development, technology transfer, technical consulting, and technical services in the fields of automobile new energy technology, automobile parts technology, and electromechanical technology. [Projects that require approval according to law can only be carried out with approval from relevant departments]