The company is the largest producer of offshore crude oil and natural gas in China, and one of the world's largest independent oil and gas exploration and production enterprises. Its main business is exploration, development, production and sale of crude oil and natural gas. The company is an upstream company focusing on oil and gas exploration, development and production. It is a major offshore oil and gas producer in China. It is also one of the largest independent oil and gas exploration and development companies in the world in terms of reserves and production. Main product: Oil and gas exploration and production Corporate honors: “Treasury” magazine's 2022 “Treasury ESG Enterprise Award - Gold Award”; “Best Management Team in Asia 2023” — “Most Admired Company” by “Institutional Investor” magazine, and “Best CEO”, “Best CFO”, “Best Investor Relations Officer”, “Best Investor Relations Officer”, “Best Investor Relations Team”, “Best ESG”, “Best Company Board of Directors”, etc.