Instrumentation manufacturing; software development; software sales; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Internet of Things application services; Internet of Things technical services; integrated circuit chip design and services; integrated circuit design; integrated circuit sales; artificial intelligence application software development; mechanical parts and parts sales; mold sales; auto parts retail; auto parts wholesale; auto parts and accessories manufacturing; auto parts R&D; motorcycles and parts retail; motorcycles and parts wholesale; motorcycles and parts Parts research and development; motorcycle spare parts manufacturing; sales of power electronic components; sales of instruments and meters; sales of electronic components and electromechanical component equipment; repair of instruments and meters; manufacturing of navigation terminals; manufacturing of smart vehicle equipment; manufacturing of special instruments; sales of optoelectronic devices; import and export of goods; import and export of technology; research and development of Internet of Things technology; information system integration services; sales of integrated circuit chips and products; professional design services; industrial design services; sales of mobile terminal equipment; sales of electrical accessories; sales of electronic products; sales of household appliances; sales of optical communication equipment.