On May 23rd, 2008, China Unicom split the dual networks, in which the CDMA network was merged into China Telecom, and the split started from June 65438+1October 0 1 2008. 133 and 153 were formally merged into China Telecom, and China Unicom stopped CDMA business, retained GSM network and China Netcom, and formed a new Unicom group. On June 10, 2008, the CDMA network was officially handed over to China Telecom.
On July 27th, 2008, China Unicom Red Chip Company, China Unicom Operation Company and China Telecom H-share Company signed the Agreement on the Transfer of CDMA Services. Unicom operating company transferred its owned and operated target business to telecom H-share company, Unicom operating company transferred its 99.5% equity of Unicom Huasheng Communication Technology Co., Ltd. to telecom H-share company, and Unicom Red Chip Company and its subsidiaries transferred its 65,438+000% equity of China Unicom (Macau) Co., Ltd. to telecom H-share company and its subsidiaries. The consideration for the sale of CDMA business is RMB 43.8 billion. In synchronization with the sale of CDMA services, China Unicom Group, China Unicom New Time Space and China Telecom Group signed the CDMA Asset Transfer Agreement on the same day, stipulating that China Unicom Group and China Unicom New Time Space will transfer relevant CDMA assets to China Telecom Group respectively, and the consideration for the sale of CDMA assets is RMB 66.2 billion.
In June 2008, 65438+ 10, the CDMA network was officially handed over to China Telecom.
On June 5438+1October 65438+May 2008, China Netcom Red Chip Company and China Unicom Red Chip Company were formally merged into China United Network Communication Co., Ltd., and the listed company of China Unicom in Hong Kong was changed from "China Unicom Co., Ltd. China Unicom Co., Ltd." to "China Unicom (Hong Kong) Co., Ltd. China United Network Communication (Hong Kong) Co., Ltd.".
On June 5438+1October 6, 2009, with the consent of the State Council, China United Communications Co., Ltd. and China Network Communications Group Corporation were reorganized and merged. The new company is named China United Network Communications Group Co., Ltd., and SASAC will perform the investor's duties on behalf of the State Council.
On June 7th, 2009, the Ministry of Industry and Information Technology issued three 3G licenses, which marked that China officially entered the 3G era. China Unicom increased 3G license based on WCDMA technology.
On September 28th, 2009, China Unicom held an official commercial press conference on Wo3G service with the theme of "Wonderful 3G, Wonderful in Wo Wo", and announced that Wo3G service will be commercialized in 285 cities nationwide on June 65438+1 October1day.
On June 30th, 2009, 10, China Unicom and Apple jointly held the launching ceremony of the iPhone daily subscription in day order.
From June 5438 to February 2009, 50 cities in seven provinces (regions) of Guizhou, Yunnan, Ningxia, Xinjiang, Jiangxi, Gansu and Qinghai officially launched 3G services. So far, China Unicom has opened 3G networks in 335 large and medium-sized cities. Except for five remote cities in Tibet, China Unicom's 3G network basically covers cities above prefecture level, main traffic lines and tourist attractions above 4A.
20 10 on March 20th, the women's federations in ten provinces and thousands of counties 12338 women's rights protection public service hotline was opened. The hotline is maintained by China Unicom and China Telecom. Ten provinces include Jilin, Changchun, Heilongjiang, Fujian, Hainan, Sichuan, Henan, Jiangxi, Zhejiang and Chongqing.
On June 2, 2065438, China Unicom, China Telecom, China Mobile and Chunghwa Telecom of Taiwan Province Province signed a Memorandum of Understanding on Xiamen (Gate) Golden Submarine Cable.
On July 20 10, China Unicom drastically lowered the roaming charges of international and Taiwan, Hong Kong and Macao regions. China Unicom has launched voice roaming service with 398 operators in 220 countries or regions, and GPRS/WCDMA data roaming service with 269 operators in 143 countries and regions.
20 10 In August, China Unicom signed bilateral preferential roaming cooperation agreements with major operators in Japan, South Korea, Singapore, Malaysia, Hong Kong, Taiwan Province Province and Macau. China Unicom cooperates with 153 mobile operators in the Asia-Pacific region, including 24 3G operators.
20 10 On September 20th, China Unicom's Singapore subsidiary officially opened, which is also the first operating company of China Unicom in Southeast Asia.
20 10 1 1, China Unicom wostore was released in Shanghai and put into use nationwide. In February 65438, China Unicom became the first telecom operator in the world and the only one in China to provide international roaming service in Myanmar. By the end of the year, China Unicom had opened GPRS international roaming service with 333 operators in 170 countries and regions, and with 294 operators in 155 countries and regions.
In 20 12, China Unicom made contributions to the implementation of the "Broadband Speed-up Project" of the Ministry of Industry and Information Technology, the full launch of FTTH project, and the acceleration of broadband network construction, and made contributions to the implementation of the national broadband strategy, the improvement of the internet experience of the majority of netizens, and the promotion of triple play.
20 13 13 on February 4th, the Ministry of Industry and Information Technology of China issued the fourth generation mobile communication (4G) service license based on TD-LTE system to China Unicom.
On March 201April 8/KLOC-0, China Unicom announced the official commercialization of Wo4G.
On February 4th, 20 15, the Eighth Inspection Team of the Central Committee reported the special inspection to China Unicom. The inspection team pointed out that the main problems existing in Unicom are: the party group of the company does not implement the responsibility system for building a clean and honest government, attaches importance to business and ignores party building, and the discipline inspection and supervision institutions fail to perform their supervisory responsibilities. Some leaders and key personnel use their powers to collude with contractors and suppliers inside and outside to engage in power, money and sex transactions; Some connive at supporting relatives, fellow villagers or other related parties to undertake projects or start affiliated enterprises for profit within their jurisdiction; Some accept the benefits of suppliers in their children's study abroad and employment.
20 14 On June 27th, the Ministry of Industry and Information Technology approved China Telecom and China Unicom to carry out FDD-LTE and TD-LTE hybrid networking experiments in 16 respectively. On August 28th, the experimental scope of hybrid networking was expanded to 40 cities and increased to 56 cities on June 28th. 18. While supporting the state-led TD-LTE, China Telecom and China Unicom are also actively deploying hybrid networking. It is recognized by the industry that FDD/TDD converged networking will become the future trend. At present, there are more than 300 operators supporting FDD-LTE, while only 30 support TD-LTE.
FDD-LTE has become the most extensive 4G standard in countries and regions.
20 16 65438+ 10/3. China Telecom Group Co., Ltd. and China United Network Communications Group Co., Ltd. held the signing ceremony of the strategic cooperation agreement of "building * * * resources and improving customer service" in Beijing.