China Petrochemical Corporation or Sinopec Group is Asia's largest oil refining and petrochemical enterprise, administered by SASAC for the State Council of the People's Republic of China. It is headquartered at Chaoyangmenwai in Beijing, across the road from the headquarters of competitor CNOOC Group.
Sinopec Group ranked first in the Top 500 Enterprises of China in 2007, with its annual revenue over 1 trillion Chinese yuan.
It is the largest company in the world by revenue.
Its major subsidiary, China Petroleum and Chemical Corporation Limited, commonly referred to as "Sinopec Limited", is listed on the Hong Kong Stock Exchange and the Shanghai Stock Exchange.