U.S. officials also recently approved a deal that allowed Chinese state-run oil company Cnooc Ltd.

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State-owned oil company Cnooc Ltd. ran into a firestorm when it tried to buy Unocal Corp. in 2005, to name but one example.

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In the case of CNOOC Ltd.

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The bond offering, issued by subsidiary Cnooc Finance (2013) Ltd.

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