China National Petroleum Corporation
发布时间：
2020-12-16 21:36
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China National Petroleum Corporation ("PetroChina" or "PetroChina" for short) is the largest oil and gas producer and seller in China's oil and gas industry. It is a state-owned enterprise, one of the companies with the largest sales revenue in China, and the largest in the world. One of the oil companies.
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