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中国联通是国内领先的通信运营商，为您提供高速、稳定、安全的网络服务，以及丰富的产品和应用。您还可以在线测试您的网络速度和延迟，优化网络体验。
China United Network Communications Group (China Unicom) is a Chinese state-owned telecommunications operator. Started as a wireless paging and GSM mobile operator, it currently provides a range of services including mobile network, long-distance, local calling, data communication, Internet services, and IP telephony.
Traveling or living in China? Keep connected with a China Unicom prepaid phone and text, talk and surf with China’s most international network. Get a local SIM card without contracts and enjoy a hassle-free mobile experience.
With convenient top-up methods, useful USSD codes, and reliable customer support, China Unicom remains a reliable choice for international visitors seeking connectivity in China. Everything you need to know about China Unicom SIM cards, including pricing, coverage, and where to purchase them.
Jan 28, 2022 · China Unicom has become the latest Chinese telecoms giant to be banned from the US over "significant" national security and espionage concerns. The Federal Communications Commission (FCC) said...
4 days ago · China Unicom (Hong Kong) Limited ("China Unicom" or "the Company") (HKEx: 0762) was voted nine years in a row by portfolio managers and analysts as "Asia's Most Honored Telecom Company" in the ...
China Unicom owns more than 20 terrestrial cable systems and over 40 submarine cable systems. Visit our detailed Network Map to find out more!
