Group 1: China National Offshore Oil Corporation (CNOOC) - Huang Yongzhang has been appointed as the General Manager and Deputy Secretary of the Party Committee of CNOOC, replacing Zhou Xinhai who has transitioned to the role of General Manager of China National Petroleum Corporation (CNPC) [1][2] - CNOOC is the largest offshore oil and gas producer in China, established in February 1982, with a registered capital of 113.8 billion yuan and five listed subsidiaries [2] Group 2: China Eastern Airlines Group - Gao Fei has been appointed as the General Manager and Deputy Secretary of the Party Committee of China Eastern Airlines Group, previously serving as a director and deputy secretary at China Southern Airlines Group [4][5] - China Eastern Airlines Group is one of the three major state-owned airlines in China, headquartered in Shanghai, and is notable for being the first to achieve dual listings in both air passenger and air logistics sectors [5]