Road motor vehicle production; special equipment manufacturing; special equipment installation, modification, and repair. General items: manufacturing of auto parts and accessories; manufacturing of special equipment (excluding licensed professional equipment manufacturing); automobile sales; retail of auto parts; wholesale of auto parts; retail of hardware products; wholesale of hardware products; sales of non-metallic mineral products; sales of metal products; sales of special equipment; recycling of renewable resources (excluding production scrap metal); business agency agency services; import agency; goods import and export; technology import and export; container sales; container repair; container manufacturing; container leasing services; domestic container cargo transportation agency; information technology consulting services; digital technology services; technical services, technology development, technical consulting, technical exchange, technology transfer, and technology promotion; engineering and technology research and experimental development; energy-saving management services; high-efficiency energy-saving technology research and development in the power industry; new material technology research and development; emerging energy technology research and development; auto parts research and development.