The China National Petroleum Corporation (CNPC; Chinese: 中国石油天然气集团公司; pinyin: Zhōngguó Shíyóu Tiānránqì Jítuán Gōngsī) is a major national oil and gas corporation of China and one of the largest integrated energy groups in the world. Its headquarters are in Dongcheng District, Beijing. CNPC was ranked fourth in 2022 Fortune Global 500, a global ranking of the largest corporations by revenue.