The airline. Its Eastern Airlines ys refers to China Eastern Airlines Group Co., Ltd. ... China Eastern Airlines Group Co., Ltd., headquartered in Shanghai, is one of the three state-owned backbone air transport groups in China. After continuous adjustment of industrial structure and optimization and integration of resources, a comprehensive air transport service system with air transport as the core and general aviation, aviation food, import and export, financial futures, media advertising, industrial investment and other related industries as the support has basically been formed.