Zhao Chunling walk past the mockup of C919 and C929 aircraft at a research institute of Commercial Aircraft Corporation of China (COMAC) in Shanghai, east China, March 5, 2025. (Xinhua/Liu Ying)

　　Zhao Chunling (1st R) works with her colleagues at a research institute of Commercial Aircraft Corporation of China (COMAC) in Shanghai, east China, March 5, 2025. (Xinhua/Liu Ying)

　　Zhao Chunling introduces the cockpit inside a mockup of C929 aircraft at a research institute of Commercial Aircraft Corporation of China (COMAC) in Shanghai, east China, March 5, 2025. (Xinhua/Liu Ying)

　　Zhao Chunling (1st R) and her colleagues walk into an engineering simulator of C919 aircraft at a research institute of Commercial Aircraft Corporation of China (COMAC) in Shanghai, east China, March 5, 2025. (Xinhua/Liu Ying)