Sinopec group is the largest petrochemical enterprise in China and the largest supplier of refined oil and petrochemical products in China. As a comprehensive energy company, its main business includes exploration, exploitation and sales of oil and natural gas. As one of the largest oil companies in the world, sinopec group plays an important role in China's economy. Development is inseparable from government support and market demand. Sinopec group's revenue in 2020 will reach 2,889.9 billion yuan, ranking first among enterprises in China.