China National Offshore Oil Corporation is a State-owned Assets Supervision and Administration Commission directly under the large state-owned enterprises, is China's largest offshore oil and gas producer. Founded in 1982 and headquartered in Beijing. Since its inception, China's CNOOC has maintained a good momentum of development, by a pure upstream oil and gas company engaged in the development of prominent main business, a complete industrial chain of international energy companies.


By 2015, China's CNOOC ranked No. 72 in the "Fortune" magazine "Fortune 500" ranking, compared with 79 last year rose by 7. The company continues to enjoy the S & P and Moody's awarded AA- and Aa3 grade Sovereign credit rating, the highest rating for domestic enterprises.

By the end of 2014, 38% of the company's overseas assets to total assets, foreign income and production were more than 40% of total revenue and total output. In 2014, the company with Shell, BP, Total and other oil group signed a global strategic cooperation agreement with Russia's Gazprom, Pemex signed MOU. International business has made considerable progress in a number of countries and regions, in the "Petroleum Intelligence Weekly," "the world's 50 largest oil companies," No. 31, ranked No. 9 in the internationalization of Chinese enterprises in the top 50 list.