1, Zhenhua Petroleum Holdings Co., Ltd. was established in 2003 and its headquarters is in Beijing, China. It is an international oil company mainly engaged in oil and gas industry investment, oil and gas exploration and development, international oil and gas trade, oil storage and transportation, oil refining and other businesses supported by the state. Zhenhua Petroleum Holdings Limited ranks 20th in the industry.
2. China Petroleum and Natural Gas Group Co., Ltd. (hereinafter referred to as China Petroleum) is a comprehensive international energy company integrating production, refining, transportation, storage and trade. The main business includes oil and gas exploration and development at home and abroad, refining and chemical industry, oil and gas sales, international trade, oilfield technical services, engineering construction, equipment manufacturing, financial services and new energy development. Zhenhua Petroleum Holdings Limited ranks 56th in the industry.