Cnooc's invoices always show that they are being issued.

If the electronic invoice is always displayed when it is issued online, it is not excluded that the system is busy. It is suggested to pay attention to the treatment in the later stage. For details, please contact your Unicom customer service.

China Offshore Oil Corporation (English name: China National Offshore Oil Corporation) is a super-large state-owned enterprise (central enterprise) directly under the State-owned Assets Supervision and Administration Commission of the State Council of China, headquartered in Beijing, with 98,750 employees and four upstream branches in Tianjin, Zhanjiang, Shanghai and Shenzhen.