China National Petroleum Corporation Limited (" CNPC ") CNPC is an important state-owned backbone enterprise and one of the world's major oil and gas producers and suppliers. It is a comprehensive international energy company integrating domestic and foreign oil and gas exploration and development and new energy, refining and chemical sales and new materials, support and service, capital and finance, and occupies a leading position in domestic oil and gas exploration and development. It invests in oil and gas in 35 countries and regions around the world. In 2021, CNPC ranked fourth on fortune's Global 500 list. In 2020, it ranked third among the 50 largest oil companies in the world.