What subsidiaries does Yanchang Group have?

Yanchang oilfield joint-stock company, Yanchang petroleum refining and chemical company, etc. According to official website, a subsidiary of Yanchang Group, as of June 23, 2023, the subsidiaries of Yanchang Group include Yanchang Oilfield Co., Ltd., Yanchang Petroleum Refining and Chemical Company, Yanchang Petroleum Yulin Energy and Chemical Company, Chemical Company, Oil Pipeline Company and Sales Company.