General project: Servo control mechanism sales; Industrial automatic control system device sales; Instrument sales; Sales of advanced power electronic devices; Sales of industrial control computers and systems; Electrical equipment sales; Electrical equipment repair; Mechanical and electrical equipment sales; Instrument repair; Sales of photovoltaic equipment and components; Photovoltaic power generation equipment leasing; Wind farm related equipment sales; Offshore wind power related equipment sales; General equipment repair; Solar power technology services; Wind power technology services; Wind turbine and parts sales; Information consulting services (excluding licensed information consulting services); New energy power equipment sales; Special equipment repair; Distribution switch control equipment sales; Intelligent transmission and distribution and control equipment sales; Wire and cable management; Sales of power electronic components; Rail transit special equipment, key systems and components sales; Mining machinery sales; Battery sales; Sales of electronic products; Hardware products retail; Building materials sales; Sales of building decoration materials; Metal material sales; Sales of metal products; Fire equipment sales; Special equipment sales; Intelligent control system integration; Project management services; Sales of power facilities and equipment; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Electronic components retail; Electronic special equipment sales; Sales of electronic measuring instruments; Sales of communication equipment. (In addition to the projects subject to approval according to law, independently carry out business activities according to the business license) Permitted projects: Power generation business, transmission business, power supply (distribution) business. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and the specific business projects shall be subject to the approval results)