Companies involved in the accusations include China Three Gorges Corp and China Unicom (CHU).
He presided over Exelon's formation from the merger of Chicago utility Unicom and Philadelphia utility Peco.
It faces stiff competition from market leader China Mobile and also from China Unicom.
Currently, China Unicom is the exclusive mobile service provider of the iPhone in China.
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To get CDMA started in China, Qualcomm backed China Unicom, the smaller of China's two carriers.
In 1994, they licensed a second mobile operator, China Unicom, under a rival ministry.
The brace of existing mobile operators, China Mobile and China Unicom, will make up the numbers.
Rival iPhone carrier China Unicom Hong Kong added 2.3%, while China Mobile closed 1% higher.
One company, China Unicom, plans to list on the New York exchange June 21.
The best proved to be Hong Kong wireless company China Unicom, up 142% in total return.
Apple is already in China, of course, via China Unicom and China Telecom.
The iPhone is available in China through two smaller carriers, China Unicom (CHU) and China Telecom.
Not bad considering that users also have the option of buying a subsidized iPhone from China Unicom.
Apple is expected to rollout the iPhone 5 in at China Unicom and China Telecom in December.
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Nonetheless Amazon faces stiff competition from China's largest telecom carriers, such as China Unicom (Hong Kong) Ltd.
Eventually, China Unicom, the No. 2 carrier, got the rights to become the official iPhone distributor in China.
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To sign up new subscribers, China Mobile and China Unicom are having to reach out to poorer people.
Most of this revenue was attributed to the iPhone, which today, is available through China Unicom with 200M subscribers.
Today the iPhone 5 is available on China Unicom and China Telecom.
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In comparison to this, its competitors, China Unicom has a 20% market share while China Telecom has the remaining 11%.
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Mr Cook's comments came on a visit to Beijing to meet Chinese regulators and bosses of mobile network China Unicom.
Considering the huge 2G subscriber base that are looking to upgrade to 3G, the potential for China Unicom is huge.
China Unicom at the end of last year, and reports claimed that overwhelming demand had led to stock sell-outs within hours.
Apple has experienced rapid growth from the China market in the past from its agreement with China Unicom to sell iPhones.
It has a subscriber base of over 665 million, more than three times as many as its nearest competitor, China Unicom.
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It has a subscriber base of over 600 million, more than three times as many as its nearest competitor, China Unicom.
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The rise in these numbers will push China Unicom to consistently increase its market share at the expense of China Mobile.
We believe China Unicom is well positioned to benefit from a continued delay by China Mobile to launch the iPhone 5.
China Unicom generated negative free cash flow of about RMB 30 billion, triple the negative RMB 10 billion it had in 2011.
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It has a subscriber base of over 650 million, more than three times as many as its nearest competitor, China Unicom.
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