Technology development, promotion, service and consultation; Conference services; Etiquette service; Sales of medical equipment category I, category II, daily necessities, plastic products, lubricants, valves, cosmetics, auto parts, metal materials, mechanical equipment and accessories, clothing, shoes, hats, watches and glasses and accessories, office supplies, telecommunications equipment, steel, building materials, wires and cables, electronic products; Import and export of goods, import and export of technology, import and export agency; Sales of category III medical devices. (the enterprise chooses its own business projects and carries out business activities according to law; To conduct business activities in accordance with the approved contents after the approval of relevant departments; Shall not engage in the business activities of the projects prohibited or restricted by the industrial policies of this municipality.