The company is the largest oil and gas producer and distributor in China's oil and gas industry, one of the largest companies with sales revenue in China, and one of the largest oil companies in the world. The principal businesses include: (I) exploration, development, transportation, production and sale of crude oil and natural gas; (ii) refining of crude oil and petroleum products, production and sale of basic and derivative chemicals and other chemical products; (iii) sales and trading of refined and non-oil products; and (iv) transportation and sale of natural gas. Main products: refining of crude oil and petroleum products; production and sale of basic and derivative chemical products and other chemical products; sales and trading of refining products; transportation of natural gas, crude oil and oil products and sales of natural gas. Corporate Honor: Asian Outstanding Achievement Award, Best Environmental responsible Enterprise, Best Investor Relations Enterprise, etc.