General projects: Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Manufacturing of household appliances; Sales of household appliances; Manufacturing of gas compression machinery; Sales of gas compression machinery; Manufacturing of lighting fixtures; Sales of lighting fixtures; Fan and fan manufacturing; Sales of fans and blowers; Furniture manufacturing; Furniture sales; Manufacturing of plastic products; Sales of plastic products; Sales of metal products; Research and development of metal products; Manufacturing of metal daily necessities (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law).