May 18, 2009 (China Knowledge) - China Unicom (Hong Kong) Ltd<600050><0762><CHU>, the country's second largest telecom operator, on Sunday officially launched its long-anticipated 3G services in 55 cities nationwide, and was the last of the three major telecom carriers to do so, the Shanghai Daily reported.
In January, China Unicom was authorized to offer 3G services based on Eu
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