Flight CZ3898 takes off from Guangzhou Baiyun International Airport in Guanzhou, Guangdong Province, July 15, 2020. The ARJ21-700 jet of China Southern Airlines completes its maiden flight from Guangzhou to Jieyang, Guangdong Province, marking the start of its service for the company. The ARJ21-700 jet is China's first homebuilt regional passenger jetliner. (Photo/China News Service)
An ARJ21-700 jet is seen in Baiyun International Airport in Guangzhou, Guangdong Province, July 15, 2020. The ARJ21-700 jet of China Southern Airlines completes its maiden flight from Guangzhou to Jieyang, Guangdong Province, marking the start of its service for the company. The ARJ21-700 jet is China's first homebuilt regional passenger jetliner. (Photo/China News Service)
An ARJ21-700 jet is seen on the tarmac in Baiyun International Airport in Guangzhou, Guangdong Province, July 15, 2020. The ARJ21-700 jet of China Southern Airlines completes its maiden flight from Guangzhou to Jieyang, Guangdong Province, marking the start of its service for the company. The ARJ21-700 jet is China's first homebuilt regional passenger jetliner. (Photo/China News Service)
Photo shows passengers boarding on the aircraft in Baiyun International Airport in Guangzhou, Guangdong Province, July 15, 2020. The ARJ21-700 jet of China Southern Airlines completes its maiden flight from Guangzhou to Jieyang, Guangdong Province, marking the start of its service for the company. The ARJ21-700 jet is China's first homebuilt regional passenger jetliner. (Photo/China News Service)