General project: Manufacturing of power electronic components Sales of power electronic components Sales of mechanical and electrical equipment Manufacturing of mechanical and electrical equipment Sales of electrical equipment Sales of instruments and meters Sales of power facilities and equipment Manufacturing of transformers, rectifiers and inductors; Research and development of high-efficiency and energy-saving technologies in the power industry Manufacturing of electrical instruments and meters Retail of electronic components Sales of distribution switch control equipment Manufacturing of distribution switch control equipment Sales of intelligent power transmission, distribution and control equipment Sales of advanced power electronic devices General equipment manufacturing (excluding special equipment manufacturing) Sales of electronic products Leasing of mechanical equipment Manufacturing of electronic special equipment Sales of mechanical equipment Manufacturing of power facilities and equipment Technical services, technical development, technical consultation, technical exchange, technical transfer, and technical promotion; Domestic cargo transportation agency Operation of wires and cables Wholesale of hardware products Retail of hardware products Engineering management services Manufacturing of industrial textile finished products Sales of industrial textile finished products Import and export agency. (Except for projects that require approval by law, business activities are carried out independently in accordance with the business license. ) Permitted project: Manufacturing of wires and cables. (Business activities subject to approval in accordance with the law may only be carried out after approval by the relevant authorities. The specific business items shall be subject to the approval documents or license certificates issued by the relevant authorities. )