This photo taken on May 28, 2023 shows a C919, China's self-developed large passenger aircraft, before its first commercial flight in east China's Shanghai. C919 kicked off its first commercial flight from Shanghai to Beijing on Sunday, marking its official entry into the civil aviation market. (Xinhua/Ding Ting)

SHANGHAI, May 28 (Xinhua) -- C919, China's self-developed large passenger aircraft, kicked off its first commercial flight from Shanghai to Beijing on Sunday, marking its official entry into the civil aviation market.

Passengers take photos with a C919, China's self-developed large passenger aircraft, before its first commercial flight in east China's Shanghai, May 28, 2023, C919 kicked off its first commercial flight from Shanghai to Beijing on Sunday, marking its official entry into the civil aviation market. (Xinhua/Ding Ting)

A passenger taking the first commercial flight of C919, China's self-developed large passenger aircraft, checks in at Hongqiao International Airport in east China's Shanghai, May 28, 2023. C919 kicked off its first commercial flight from Shanghai to Beijing on Sunday, marking its official entry into the civil aviation market. (Xinhua/Ding Ting)

This photo taken on May 28, 2023 shows a C919, China's self-developed large passenger aircraft, getting ready for its first commercial flight in east China's Shanghai. C919 kicked off its first commercial flight from Shanghai to Beijing on Sunday, marking its official entry into the civil aviation market. (Xinhua/Ding Ting)

Passengers taking the first commercial flight of C919, China's self-developed large passenger aircraft, check in at Hongqiao International Airport in east China's Shanghai, May 28, 2023. C919 kicked off its first commercial flight from Shanghai to Beijing on Sunday, marking its official entry into the civil aviation market. (Xinhua/Ding Ting)