Manufacturing of hardware products; manufacturing of metal materials; manufacturing of metal chains and other metal products; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of electronic components and electromechanical components; manufacturing of security equipment; manufacturing of plastic products; manufacturing of rubber products; manufacturing of sporting goods and equipment; manufacturing of toys; manufacturing of knitted or crocheted fabrics and their products; manufacturing of clothing; manufacturing of leather products; manufacturing of shoes; manufacturing of bicycle parts; and manufacturing of motorcycle parts. Manufacturing; manufacturing of auto parts and accessories; manufacturing of bicycles; processing of renewable resources; manufacturing of specialized machinery for agriculture, forestry, animal husbandry, and fishery; manufacturing of agricultural machinery; manufacturing of special equipment for daily necessities production; manufacturing of integrated circuits; production of commercial cryptographic products; development of artificial intelligence application software; development of network and information security software; research and development of Internet of Things technology; artificial intelligence industry application system integration services; Internet data services; Internet of Things technical services; Internet sales ( Except for the sale of goods that require licensing); urban greening management; property management; housekeeping services; information technology consulting services; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; retail of hardware products; sales of metal products; sales of metal chains and other metal products; sales of machinery and equipment; sales of electronic components and electromechanical components and equipment; sales of electronic products; sales of security equipment; sales of plastic products; rubber products Sales; retail of sporting goods and equipment; sales of toys; retail of clothing and apparel; sales of leather products; retail of shoes and hats; retail of bicycles and spare parts; retail of motorcycles and spare parts; retail of automobile parts; sales of electrical accessories; sales of instruments and meters; sales of communication equipment; sales of artificial intelligence hardware; sales of smart home consumer equipment; sales of commercial encryption products; sales of Internet of Things equipment; non-residential real estate leasing; housing leasing; import and export of goods. Licensed items: Category II value-added telecommunications services.