Sales of electronic products; Mechanical equipment research and development; Industrial Internet data services; Toy sales; Toy manufacturing; Sales of toys, anime, and entertainment products; Manufacturing of mother and baby products; Sales of mother and baby products; Household goods manufacturing; Home goods sales; Sales of daily necessities; Sales of daily miscellaneous goods; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law); Manufacturing of audio equipment; Sales of audio equipment; Domestic trade agency.