PetroChina

PetroChina is China's largest oil and gas producer and distributor, operating across exploration, refining, and marketing. It holds a dominant market position as a state-owned enterprise, controlling over half of the country's domestic oil and gas output. Notably, it is one of the world's most valuable energy companies by market capitalization.

PetroChina is the largest oil and gas producer and distributor in China, engaged in the exploration, development, production, and sale of crude oil and natural gas, as well as refining, marketing, and petrochemical operations. As a state-controlled enterprise under CNPC, it plays a dominant role in China's energy security and supply chain, ranking among the world's top energy companies by revenue and market capitalization.