Technology development; sales of building materials, hardware tools, decorative materials, kitchen equipment, plastic products, steel, sanitary wares; installation and maintenance of kitchen equipment; import and export of goods, technology, and agency import and export. (The company independently selects business projects for operation and management in accordance with the law; if the operation and management requires approval, it shall be carried out in accordance with the approved content after approval; it is prohibited from engaging in business activities of projects prohibited or restricted by the city's industrial policy.)