Are Shanghai Airlines and China Eastern Airlines the same airline?

According to Baidu Encyclopedia, China Eastern Airlines Co., Ltd. is a state-owned holding airline headquartered in Shanghai, China. On the basis of the original China Eastern Airlines Group, it merged China Northwest Airlines and China Yunnan Airlines. It is one of the three state-owned backbone aviation enterprises in China. Shanghai Airlines Co., Ltd. (hereinafter referred to as "Shanghai Airlines" or "Shanghai Airlines"), formerly known as Shanghai Airlines, was established in198565438+February, and is the first commercial limited liability aviation enterprise with diversified investment in China. 20 10, 10 10 On October 28th, the joint reorganization of China Eastern Airlines was successfully completed, and Shanghai Airlines became a member enterprise of China Eastern Airlines. 20 10 On May 28th, Shanghai Airlines Co., Ltd., a wholly-owned subsidiary of China Eastern Airlines, officially put into operation. It can be known that Shanghai Airlines Co., Ltd. is a subsidiary of China Eastern Airlines Co., Ltd., so in a sense, Shanghai Airlines and China Eastern Airlines belong to the same airline.