China National Petroleum Corporation (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 that integrates domestic and international oil and gas exploration and development, new energy, refining and sales, new materials, support and services, capital and finance, and conducts oil and gas investment business in 32 countries and regions around the world. In 2022, it ranked third in the comprehensive ranking of the world's top 50 oil companies and fourth in the Fortune Global 500 list of the world's top 500 companies.