General projects: thermal production and supply; Sales of photovoltaic equipment and components; Wire and cable management; Sales of electronic products; Sales of electrical and mechanical equipment (except for projects that require approval in accordance with the law, business activities shall be carried out independently based on the business license in accordance with the law). Licensed projects: power generation, transmission, and power supply business (projects that require approval according to law can only be carried out after being approved by relevant departments, and specific business projects shall be subject to the approval results).