China Petrochemical Company is a very large petroleum and petrochemical enterprise group. As of June 5438+February 65438+April 2023, Sinopec had 10 branches in Shandong, namely Shengli Oilfield, Shengli Petroleum Engineering Co., Ltd., Petrochemical Jingwei, Jinan Refining and Chemical Company, Qilu Petrochemical Company, Qingdao Refining and Chemical Company, Qingdao Petrochemical Company, Safety Engineering Research Institute, Shandong Petroleum Company and Tenth Construction Company, covering oil fields and refining and chemical companies.