Photographs by He WenruiThe Xi'an-based Changqing Oil-Field Company is a modern listed enterprise with a history of 50 years. It works in the Ordos region of Inner Mongolia, where China's second...
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Photographs by He WenruiThe Xi'an-based Changqing Oil-Field Company is a modern listed enterprise with a history of 50 years. It works in the Ordos region of Inner Mongolia, where China's second...