The second category of medical device production, general items of goods import and export: shoe manufacturing, clothing manufacturing, clothing manufacturing, clothing research and development, wholesale of shoes and hats, retail of shoes and hats, wholesale of clothing and clothing, retail of clothing and clothing, manufacturing of leather products, sales of leather, sales of glasses (excluding contact lenses), wholesale of hardware products, sales of chemical products (excluding licensed chemical products), sales of household appliances, wholesale of stationery, sales of outdoor products, manufacturing of sporting goods, wholesale of sporting goods and equipment, sales of communication equipment, hotel management Management, mechanical equipment research and development, mechanical equipment sales, mechanical equipment leasing, electrical machinery equipment sales, electronic and mechanical equipment maintenance (excluding special equipment), automobile spare parts wholesale, motorcycle and spare parts wholesale, technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion, Internet of Things equipment sales, land use rights leasing, Internet sales (except for the sale of goods requiring licenses), production of Class I medical devices, sales of Class I medical devices, sales of Class II medical devices