China Unicom and China Telecom, the two smaller mobile carriers among China's big three operators, are teaming up to build 5G networks across 15 Chinese cities (Cyrus Lee/ZDNet)

Cyrus Lee / ZDNet:
China Unicom and China Telecom, the two smaller mobile carriers among China's big three operators, are teaming up to build 5G networks across 15 Chinese cities  —  China Unicom has struck a deal with its rival China Telecom to build their 5G networks together to cut costs.