Is Guangdong Zhuhai Jinwan LNG Co., Ltd. a state-owned enterprise or a central enterprise?

Guangdong Zhuhai Jinwan LNG Co., Ltd. is a state-owned enterprise. Guangdong Zhuhai Jinwan LNG Co., Ltd. is a state-owned enterprise, which belongs to CNOOC, a state-owned energy company in China. Although CNOOC is also known as China Offshore Oil Corporation, it is actually a part of China's state-owned energy company, not a central enterprise. State-owned enterprises are enterprise legal persons funded, owned or controlled by the state.