Is Songyuan Xinxiang New Energy Co., Ltd. a state-owned enterprise?

Songyuan's state-owned enterprise, which is also the largest, is China Oil and Gas Co., Ltd. Jilin Oilfield Branch, and there is also a Guo Qian refinery, which was later merged with Jilin Oilfield Branch. China Petroleum Group Company is also affiliated to PetroChina, one is a listed company and the other is a non-listed company, but both are Jilin Oilfield Company.