Speaking of the three major operators, mobile rides the dust, telecom closely follows, and Unicom seems to have always been an unsupportable Adou. But in terms of the time of its establishment, Unicom is a big brother.

On July 19, 1994, China United Communications Co., Ltd. was officially established with the approval of the State Council, which is a milestone event in the history of China Telecom's development. At the same time that China Unicom was established, Telecom has not yet separated government from enterprises, and at the same time, the telecommunications bureau has separated unlimited paging services to China Unicom.
On January 6, 2009, China Unicom also successfully merged with Netcom to form a new "China Unicom" - China United Network Communications Group Co., Ltd. There are branches in 31 provinces (autonomous regions and municipalities directly under the Central Government) and many overseas countries and regions, and the SASAC performs the duties of investors on behalf of the State Council.
With the advent of the 3G era, Unicom held the 3G license of the WCDMA standard with the most mature technology, the most widely used and the most complete industrial chain in the world at that time, but it did not know how to attract customers.
In the 4G era, Unicom opened mixed reform, and in 2017, Tencent, Ali, Baidu, Jingdong Internet giants entered the game, Baidu Shengka, Ali Baoka, Tencent Wang Card successively came out, using the large factory ecology to attract users, and the profit in 2018 increased by 858.28% year-on-year.
In the 5G era, China Unicom and Telecom have joined hands to build base stations and make great strides forward. On December 7, 2021, China Unicom 5G News Ecosystem Alliance was officially established.
In June 2021, China Unicom obtained a radio and television program production and operation license.
On the Internet, Unicom is also the first Chinese-word enterprise to initiate the little sister dance, and the number of Unicom users has increased, making other Chinese-word enterprises compete to imitate, and orphans have draught and do not forget to dig wells - thanks to Unicom.
China Unicom is mainly engaged in GSM, WCDMA and FDD-LTE standard mobile network services, fixed communication services, domestic and international communication facilities service services, satellite international private line services, data communication services, network access services and various types of telecommunications value-added services, and system integration services related to communication and information services.
From 2017 to 2020, China Unicom's revenue was 274.8 billion, 290.9 billion, 290.5 billion and 303.8 billion, respectively. Profit was 1.828 billion, 10.197 billion, 11.330 billion and 12.493 billion, respectively. According to the third quarter report of 2021, China Unicom's revenue in the first three quarters was 244.5 billion yuan and its profit was 12.923 billion yuan, which exceeded the total profit of 2020, and China Unicom ranked 260th in the 2021 Fortune 500.
In 2017, China Unicom's R&D expenditure was 779 million yuan, and from 2018 to 2020, it was 1.419 billion yuan, 2.510 billion yuan and 4.565 billion yuan, an increase of 4.86 times in three years, far higher than the growth rate of operating income in the current period. In the first half of this year, the company's R&D expenditure was 1.024 billion yuan, an increase of 52% year-on-year. At the same time, the number of China Unicom patents also reached 1370, of which invention patents accounted for 92.63%.
According to the data, by the end of 2020, China Unicom has about 306 million mobile outbound users, of which the number of 5G package users reached 70.83 million, and the penetration rate of 5G package users reached 23%. The total assets reached 582.4 billion, the net assets reached 147.7 billion, and the total number of employees was about 240,000, of which the number of R&D personnel was 14,100, accounting for 5.84% of the total number of employees.
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