电话咨询
+86 755-26733555
The scope of DOCOMO's extensive research and development program is unprecedented among mobile operators. The company operates a major R&D center in Japan and advanced facilities in China, Germany and the USA.
Vodafone is a leader in technology communications through mobile, fixed, broadband and TV. As of 31 March 2020, Vodafone Group had approximately 625 million mobile customers, 27 million fixed broadband customers and 22 million TV customers.
Deutsche Telekom is one of the world's leading integrated telecommunications companies, with some 184 million mobile customers, 27.5 million fixed-network lines and 21 million broadband lines. We provide fixed-network/broadband, mobile communica...
Telefónica is a company that is aware of the new challenges posed by today's society. This is why we offer the means to facilitate communication between people, providing them with the most secure and state of the art technology in order for the...
Verizon is one of the largest communication technology companies in the world.
We aspire to be a company that contributes to society by providing innovative services across a range of industries, going beyond the realms of conventional telecommunications carrier business models.
中国电信拥有全球规模最大的宽带互联网络和技术领先的移动通信网络，具备为全球客户提供跨地域、全业务的综合信息服务能力和客户服务渠道体系,截至2019年底移动电话、有线宽带、天翼高清、物联网、固定电话等各类用户总量近9亿户。
中国移动目前是全球网络规模最大、客户数量最多、品牌价值和市值排名位居前列的电信运营企业，注册资本3000亿人民币，资产规模超过1.7万亿人民币，员工总数近50万人。中国移动连续19年入选《财富》世界500强企业，2019年列第56位；连续15年在国资委经营业绩考核中获A级。
中国联通是中国三大电信运营商之一，主营GSM、WCDMA和FDD-LTE制式移动网络业务，固定通信业务，国内及国际通信设施服务业务、数据通信业务、网络接入业务和各类电信增值业务。