General projects: Technical services, technical development, technical consultation, technical exchange, technical transfer, and technical promotion; Research and development of mechanical equipment Sales of mechanical equipment Research and development of intelligent robots Sales of intelligent basic manufacturing equipment Sales of intelligent instruments and meters Sales of electrical equipment Sales of electrical and mechanical equipment Sales of distribution switch control equipment Sales of power electronic components Sales of electrical instruments and meters Lighting fixture sales Sales of industrial control computers and systems Wholesale of electronic components Wholesale of hardware products (except for projects that require approval by law, business activities are carried out independently based on the business license in accordance with the law)