Manufacturing of general spare parts; Manufacturing of general equipment; Manufacturing of molds; Manufacturing of intelligent basic manufacturing equipment; Manufacturing of industrial automatic control system devices; Manufacturing of intelligent instruments and meters; Manufacturing of other general instruments; Manufacturing of hardware products; Software development; Research and development of mechanical equipment; Research and development of distribution switchgear and control equipment; Research and development of metal products; Industrial design services; Technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Sales of mechanical equipment; Sales of electrical equipment; Sales of metal products; Sales of intelligent basic manufacturing equipment; Sales of new metal functional materials; Sales of mechanical parts and accessories; Sales of molds; Sales of power electronic components; Sales of integrated circuits and products; Sales of integrated circuits; Sales of metal tools; Domestic trade agency; Trade agency; Research and development of new energy technologies; Research and development of energy recovery systems; Research and development of high-efficiency energy-saving technologies for the power industry; Research and development of resource recycling technologies; Technical services for solar power generation; Technical consulting services for resource circular utilization; Research and development of household appliances; Research and development of new materials technologies; Services for energy storage; Research and development of intelligent robots; Development of artificial intelligence application software; Outsourcing of software services; Sales of intelligent material handling equipment; Sales of intelligent warehousing equipment; Sales of solar thermal power generation products; Sales of solar thermal utilization products; Sales of photovoltaic equipment and components; Sales of pneumatic power machinery and components; Sales of industrial automatic control system devices; Sales of industrial control computers and systems; Sales of industrial robots.