Licensed project: Production of Class III medical devices; Category III medical device business; Internet information service; Internet information service for medical devices. (For projects that must be approved according to law, business activities can only be carried out after being approved by relevant departments, and the specific business items shall be subject to the approval documents or licenses of relevant departments) General items: Sales of Class I medical devices; Sales of Class II medical devices; Sales of electronic products; Wholesale of sports goods and equipment; Retail of sports goods and equipment; Sales of personal hygiene products; General merchandise sales; Enterprise management consulting; Information consulting services (excluding licensing information consulting services); Wholesale of stationery; Stationery retail; Sales of office supplies; Sales of sanitary supplies and disposable medical supplies; Wholesale of protective equipment for medical staff; Production of special labor protection articles; Class I medical device leasing; Retail of protective equipment for medical staff; Sales of daily masks (non medical); Manufacturing of electronic (gas) physical equipment and other electronic equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Sales of gas and liquid separation and purification equipment; General mechanical equipment installation services; Tea set sales; Sales of metal matrix composites and ceramic matrix composites; Sales of molding materials for casting; Sales of metal tools; Sales of refrigeration and air conditioning equipment; Paint sales (excluding hazardous chemicals); Paper products sales; Sales of agricultural and sideline products; Sales of household audio-visual equipment; Retail of auto parts; Sales of optical communication equipment; Lease of photovoltaic power generation equipment; Sales of metal accessories for construction; Sales of building materials; Floor sales; Optical cable sales; Wire and cable business; Sales of thermal insulation materials; Sales of building decoration materials; Domestic trade agency; Sales agent; Wholesale of hardware products; Sales of industrial textile products; Sales of rubber products; Retail of hardware products; Sales of furniture spare parts; Sales of maternal and infant products; Professional design services; Toy sales; Sales of non-metallic minerals and products; Metal structure sales; Metal material manufacturing; Sales of office equipment consumables; Sales of labor protection articles; Sales of plastic products; Sales of mechanical and electrical equipment; Sales of electric power facilities and equipment; Sales of metal products. (Except for projects that need to be approved according to law, business activities shall be carried out independently according to law with the business license)