The registered address of chengdu letters union technology ltd. Is located on the 1st floor of the 1st building, no. 18, wuheng road, wuhuang district of chengdu city. The registration authority is the market supervision authority of the wuhou district. The legal entity is represented by zhang ping, and its operations include general projects: development of technology for the networking of goods; technology services for the networking of goods; application services for the networking of goods; marketing of equipment for the networking of goods; 5g communication technology services; development of artificial smart applications; integration services for applications in the artificial intelligence industry; development of network and information security software; operation of information systems maintenance services; technical services, technology development, technical advice, exchange of technology, technology transfer, technology promotion; software development; marketing of software; integration services for information systems; marketing of communications equipment; sale of internet equipment; industrial internet data services; sale of integrated circuit chips and products; sale of smart instrument forms; manufacture of smart instrument instruments; sale of electronic products; sale of electric instrument instruments; sale of electron instrument instruments; development of online energy measurement technologies; development of online energy monitoring technology; development of emerging energy technology; development of navigation terminals