Procurement and technical services for electronic products, hardware, electricity, machinery and equipment, stationery, sporting goods and equipment, textiles and clothing and daily necessities, and first-class medical equipment; Self-operated and agency import and export business of various commodities and technologies, limited by the state Except for commodities and technologies whose import or export is prohibited. (Items subject to approval according to law can only carry out business activities after approval by relevant departments) General items: Sales of Class II medical devices; Wholesale of medical masks; Sales of daily masks (non-medical) (except for items subject to approval according to law, Independently carry out business activities according to the law with the business license)