PetroChina is a leading oil and gas company based in Beijing, China, established in 1999 as a subsidiary of the China National Petroleum Corporation (CNPC). It is the largest producer and distributor of oil and gas in China and was publicly listed on the New York and Shanghai Stock Exchanges in 2000.

The company operates across the entire oil and gas value chain, including exploration and production, refining, marketing, and natural gas transmission. PetroChina also produces petrochemical products and engages in trading and logistics through its subsidiary, PetroChina International London, focusing on European and African markets. It has a significant presence in both domestic and international markets, serving a diverse customer base and extending its operations to over 90 countries.

PetroChina actively pursues strategic partnerships with global energy companies and has diversified into new energy and digital technologies. Its collaborations aim to enhance capabilities in various sectors, including petroleum equipment and intelligent manufacturing.