Research and development of electronic special materials; laser marking processing; manufacturing of optoelectronic devices; wholesale of electronic components; manufacturing of electronic components; sales of electronic products; Internet security services; Internet data services; technical services, technology development, technical consultation, technology exchange, technology transfer, and technology promotion; research and development of automobile parts; wholesale of automobile parts and accessories; manufacturing of automobile parts and accessories; research and development of motorcycle parts; manufacturing of motorcycle parts; and wholesale of motorcycles and parts. Licensed items: import and export of goods; import and export of technology.