No. 2 Chinese National Petroleum Corp, or CNPC
It is the largest integrated energy company in China and an oil and gas giant. It is also the parent company of PetroChina, another major oil company. As of 2013, the operating income of the firm reached 2,759.3 billion yuan.
A worker operates facilities at a construction site owned by CNPC on March 15, 2014 in Tangshan city, Hebei province. [Photo/IC]
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