Manufacturing of motorcycle parts and accessories; retail of motorcycles and spare parts; manufacturing of electronic components; retail of electronic components; manufacturing of semiconductor lighting devices; sales of semiconductor lighting devices; manufacturing of coating equipment; sales of coating equipment; manufacturing of industrial textile products; sales of industrial textile products; disinfectants Sales (excluding hazardous chemicals); retail of medical masks; sales of Class I medical devices; sales of Class II medical devices; sales of lamps; manufacturing of auto parts and accessories; retail of auto parts; import and export of goods; import and export of technology; import and export agency; sales of daily necessities; electronic components and machines Sales of electrical component equipment; production, sales, processing, transportation, storage and other related services of agricultural products; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; information consulting services (excluding licensing information consulting services); small and micro bus rental and operation services ; Rental services (excluding licensed leasing services); low-temperature warehousing (excluding hazardous chemicals and other items requiring license approval); security equipment manufacturing; security equipment sales; security and fire-fighting metal product manufacturing; fire-fighting equipment sales; environmental protection special equipment manufacturing; environmental protection special equipment sales