Visitors view a displayed concept car of Hongqi brand at the 2018 Beijing International Automotive Exhibition (Auto China 2018) in Beijing, capital of China, April 25, 2018. The Auto China 2018 will last from April 25 to May 4 in Beijing. (Xinhua/Ju Huanzong)

Visitors view displayed cars of Chang'an brand at the 2018 Beijing International Automotive Exhibition (Auto China 2018) in Beijing, capital of China, April 25, 2018. The Auto China 2018 will last from April 25 to May 4 in Beijing. (Xinhua/Chen Jianli)