China's large passenger aircraft, the C919, is seen at the assembly line in Shanghai, east China, Feb. 13, 2018. Staff members here stick to their post to test the C919 to acquire its airworthiness certificates. (Xinhua/Ding Ting)
RIGHT BG
China's large passenger aircraft, the C919, is seen at the assembly line in Shanghai, east China, Feb. 13, 2018. Staff members here stick to their post to test the C919 to acquire its airworthiness certificates. (Xinhua/Ding Ting)
