China National Offshore Oil Corporation
China National Offshore Oil Corporation, or CNOOC Group (Chinese: 中国海洋石油总公司 Pinyin: "Zhōngguó Háiyáng Shíyóu Zǒnggōngsī"), is one of the largest national oil companies in China. It is the third-largest national oil company in the People's Republic of China, after CNPC (parent of PetroChina) and China Petrochemical Corporation (parent of Sinopec). The CNOOC Group focuses on the exploitation, exploration and development of crude oil and natural gas in offshore China, along with its subsidiary COOEC.