1, China Petroleum (60 1857, Guba) Chemical Group Company.
2. CNOOC Petrochemical Company Limited
3. Daqing Oilfield Limited Liability Company
4. China Petrochemical (600028, Guba) Yangzi Petrochemical Co., Ltd.
5. Dagang Oilfield Branch of China Oil and Gas Co., Ltd.
6. China Petroleum Changqing Oilfield Company
7. Sinochem Fertilizer Co., Ltd.
8 China Petrochemical Group Beijing Yanshan Petrochemical Co., Ltd.
9. Shengli Petroleum Administration Bureau of China Petrochemical Group
10, Tianjin Branch of China Petrochemical Co., Ltd.
1 1, CNOOC Huizhou Refinery Company
12, Yunnan Yuntianhua (600096, Guba) International Chemical Co., Ltd.
13, China Petrochemical Qingdao Refining and Chemical Co., Ltd.
14, China Petrochemical Shanghai Petrochemical Co., Ltd.