Business Description
PetroChina, founded in 1999 and based in Beijing, is one of China's largest energy companies and a subsidiary of China National Petroleum Corporation. The company explores, produces, refines, and sells oil and natural gas both within China and abroad, while also developing newer energy sources and advanced materials. Its operations span the full supply chain, from extracting crude oil and gas in the ground to delivering refined fuels, chemicals, and natural gas to end customers.