China Telecom: China Telecom Group Co., Ltd. is a super-large state-owned communication enterprise in China and a global partner of Shanghai World Expo. It has been selected as one of the "Top 500 Enterprises in the World" for many years, mainly engaged in comprehensive information services such as fixed telephone, mobile communication, satellite communication, Internet access and application.
China Unicom: China United Network Communications Group Co., Ltd. (hereinafter referred to as "China Unicom") was formed by the merger of former China Netcom and former China Unicom on June 6, 2009. It has branches in 365 and 438+0 provinces (autonomous regions and municipalities directly under the Central Government) and many overseas countries and regions. It is the only telecom operator in China listed in new york, Hongkong and Shanghai at the same time.
The full name of CMCC is "China Mobile Communications Corporation", which is China Mobile Communications Corporation. Founded on April 20th, 2000, it is a mobile communication operator based on GSM, TD-SCDMA and TD-LTE standard networks.
China Mobile Communications Group Corporation is a state-owned backbone enterprise established on the basis of the overall divestiture of the original mobile communications assets of China Telecom according to the deployment and requirements of the state on the reform of the telecommunications system. It was officially listed on May 16, 2000. China Mobile Communications Group Co., Ltd. wholly owns China Mobile (HK) Group Co., Ltd. and its controlled China Mobile Co., Ltd.