The registration address of the city telecommunications technology company ltd. Is located in shandong province at the 10th floor of the 10th floor of the grand science and technology park, located on the street of the old building of the city of chang province and located on the south side of xi'an province, where legal persons are represented by liu qing, the market supervision authority of the city of chang province, and are operating on general items such as the development of specialized electronic materials; the sale of specialized electronic equipment; the retail sale of electronic devices; the wholesale distribution of electronic devices; the sale of electronic products; the repair of communications equipment; the specialized repair of communication equipment; the sale of radio and video equipment; the sale of radio and television transmission equipment; the specialized repair of radio and television equipment; the sale of lighting equipment; and the maintenance of electronic and mechanical equipment (without special equipment). (in addition to projects subject to legal authorization, operating on an autonomous basis under a business licence) licensing project: detection of lightning and electrical protective devices. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)