Technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of electronic components; Retail of electronic components; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Sales of railway locomotive vehicle parts; Manufacturing of railway locomotive vehicle parts; Manufacturing of micro special motors and components; Sales of micro special motors and components; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of power distribution switchgear equipment; Sales of power distribution switchgear equipment; Retail of computer software and hardware and auxiliary equipment; Manufacturing of computer software and hardware and peripheral equipment; Manufacturing of industrial control computers and systems; Sales of industrial control computers and systems; Manufacturing of radar and supporting equipment; Manufacturing of communication equipment; Sales of communication equipment; Manufacturing of integrated circuits; Sales of integrated circuits; Design of integrated circuits; Manufacturing of smart home consumer equipment; Sales of smart home consumer equipment; Manufacturing of smart vehicle-mounted equipment; Sales of smart vehicle-mounted equipment; Manufacturing of wearable smart devices; Sales of wearable smart devices; Software development; Manufacturing of other electronic devices; Sales of communication equipment; Sales of mechanical equipment; Research and development of mechanical equipment; Manufacturing of special equipment (excluding licensed special equipment); Manufacturing of electronic components and electromechanical component equipment; Sales of electronic components and electromechanical component equipment; Research and development of motor and control systems; Production of battery parts; Sales of battery parts; Sales of smart power distribution and control equipment; Manufacturing of power distribution and control equipment; Research and development of emerging energy technologies; Processing of mechanical parts and components; Sales of mechanical parts and components; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Energy storage technical services; Manufacturing of graphite and carbon products; Sales of graphite and carbon products; Engineering and technical research and experimental development; Energy-saving management services; Professional design services; Import and export of goods; Import and export of technology; Import and export agency; Manufacturing of integrated circuit chips and products; Sales of integrated circuit chips and products; Design and services of integrated circuit chips; Manufacturing of semiconductor discrete devices; Sales of semiconductor discrete devices; Manufacturing of generators and generator sets; Sales of generators and generator sets; Manufacturing of electric motors; Manufacturing of motors; Manufacturing of servo control mechanisms; Sales of servo control mechanisms; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of electrical signal equipment devices; Sales of electrical signal equipment devices; Intelligent control system integration; Research and development of power distribution switchgear equipment; Manufacturing of electrical machinery special equipment; Research and development of high-efficiency energy-saving technology in the power industry; Research and development of electromechanical coupling systems; Manufacturing of electrical equipment; Sales of electrical equipment; Repair of electrical equipment; Sales of software; Software outsourcing services; Information system integration services; Sales of advanced power electronic devices; Research and development of automotive parts; Manufacturing of automotive parts and accessories; Sales of new energy vehicle electrical accessories; Manufacturing of electronic special equipment; Sales of electronic special equipment; Maintenance of electronic and mechanical equipment (excluding special equipment). Licensed items: Design and production of civil aircraft parts; Inspection and testing services. (Shall not engage in activities prohibited or restricted by national and municipal industrial policies.)