General project: Manufacturing of lighting fixtures; Sales of specialized lighting equipment for production; Manufacturing of specialized equipment for the production of lighting fixtures; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law)