The Ministry of Industry and Information Technology is the direct supervision department of China Unicom, so the highest complaint department of China Unicom is the Ministry of Industry and Information Technology. The highest supervisory complaint telephone number of China Unicom is 100 15. If you are not satisfied with China Unicom's internal handling, you can call the Ministry of Industry and Information Technology at 1238 1, which is also the highest telephone number for complaints against China Unicom.
China United Network Communications Group Co., Ltd. was formed by the merger and reorganization of former China Netcom and former China Unicom on June 6, 2009. The company has branches in 365,438+0 provinces (autonomous regions and municipalities directly under the Central Government) and overseas countries and regions, with more than 65,438+030 overseas service access points.
Introduction of Unicom's development in 2023
In February, China Unicom (Hongkong) changed its Logo. By February 2023, the cumulative number of users of China Unicom's 5G package will reach 219761000000. On April 26th, China Unicom and Tencent further deepened their cooperation, and Yunzhou Times Technology Co., Ltd., jointly funded by * * * *, was formally established in Beijing.
By April 2023, the number of "big connection" users reached about 909 million, the number of 5G package users reached about 227 million, and the number of Internet of Things terminal connections reached about 424 million. The number of virtual private network customers in the 5G industry is 48 18. The customer problem solving rate of intelligent customer service in that month was 97.9%, and the intelligent customer service accounted for 83% in that month. The cumulative number of patents granted this year is 6 12.
The above contents refer to Baidu Encyclopedia-China United Network Communication Group Co., Ltd.