A deal unveiled on May 24th, in which PetroChina, another partially state-owned oil firm, will buy a big stake in Singapore Petroleum, a refiner, hints at a new tactic.
China's biggest oil producer by output and No. 2 refiner, China National Petroleum Corp.
中国产量最大的原油生产商、第二大炼油商中国石油天然气集团公司China National Petroleum Corporation。
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We are a refiner of heavy high-sulfur crude oil as well as a significant producer of refined petroleum products and gasoline blending components, including biofuels.