General projects: Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Research and development of new material technology; Manufacturing of plastic products; Hardware product manufacturing; Sales of metal packaging containers and materials; Sales of metal products; Mold making; Sales of plastic products; Retail of hardware products; Mold sales; Manufacturing of rubber products; Sales of rubber products; Sales of daily necessities; Sales of household appliances; Wholesale of kitchenware, sanitary ware and daily necessities; Sales of plastic packaging containers and tools for food; Retail of kitchenware, sanitary ware and daily necessities; Sales of lamps and lanterns; Import and export agency; Import and export of goods (except for projects subject to approval in accordance with the law, independently carry out business activities in accordance with the law with a business license).