Production of sanitary products and disposable medical supplies; Production of Class II medical devices; Production of medical masks; Production of medical staff protective equipment (Class II medical devices). General items: Road freight transport for general cargo vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods); Sales of sanitary products and disposable medical supplies; Production of Class I medical devices; Sales of Class I medical devices; Sales of Class II medical devices; Retail of medical masks; Sales of daily-use masks (non-medical); Production of daily-use masks (non-medical); Wholesale of medical masks; Wholesale of medical staff protective equipment; Professional design services; Sales of prepackaged health foods; Sales of infant formula milk powder and other infant formula foods; Sales of foods for special medical purposes; Import and export of goods; Technology import and export; Network technical services.