Manufacturing of special equipment; manufacturing of road motor vehicles. General items: Manufacturing of industrial robots; manufacturing of general equipment (excluding special equipment); manufacturing of hydraulic power machinery and components; sales of hydraulic power machinery and components; repair of general equipment; repair of specialized equipment; leasing of mechanical equipment; sales of mechanical equipment; installation services for general mechanical equipment; manufacturing of pneumatic power machinery and components; sales of pneumatic power machinery and components; manufacturing of specialized equipment (excluding licensed specialized equipment); manufacturing of mechanical and electrical equipment; sales of intelligent material handling equipment; manufacturing of material handling equipment; sales of special equipment; research and development of intelligent robots; professional cleaning, disinfection, and sterilization services; domestic trade agency; import and export agency; import and export of goods; import and export of technology; engineering technical services (excluding planning, management, survey, design, and supervision); technology services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; manufacturing of industrial automatic control system devices; sales of industrial automatic control system devices; research and development of mechanical equipment; sales of automobiles; motor vehicle repair and maintenance; manufacturing of auto parts and accessories; installation and maintenance of industrial robots; sales of industrial robots; maintenance of electronic and mechanical equipment (excluding special equipment).