The highest complaint department of China Unicom is the Ministry of Industry and Information Technology.
The Ministry of Industry and Information Technology is the direct supervisory department of China Unicom, so the highest complaint department of China Unicom is the Ministry of Industry and Information Technology. The highest regulatory complaint hotline within China Unicom is 10015. If you are dissatisfied with China Unicom's internal handling, you can call the Ministry of Industry and Information Technology's 12381 phone number to complain. This is also the highest-level phone number for complaints against China Unicom.
China United Network Communications Group Co., Ltd. was formed from the merger and reorganization of the original China Netcom and the original China Unicom on January 6, 2009. The company has operations in 31 domestic provinces (autonomous regions and municipalities) and many overseas countries. It has branches in and around the world, as well as more than 130 overseas business access points.
Introduction to China Unicom’s development in 2023
In February, China Unicom (Hong Kong) changed its logo. As of February 2023, the cumulative number of China Unicom 5G package users reached 219.761 million. On April 26, China Unicom and Tencent further deepened their cooperation, and Yunzhou Times Technology Co., Ltd., jointly funded by ***, was officially established in Beijing.
As of April 2023, the cumulative number of "Big Connection" users has reached approximately 909 million, the cumulative number of 5G package users has reached approximately 227 million, and the cumulative number of IoT terminal connections has reached approximately 424 million. The number of virtual private network service customers in the 5G industry is 4,818. The customer problem resolution rate of smart customer service in that month was 97.9%, and the proportion of smart customer service intelligent services in that month was 83%. The cumulative number of authorized patents this year is 612.
The above content refers to Baidu Encyclopedia-China United Network Communications Group Co., Ltd.