Visitors view concept vehicles during an event showcasing the products and culture of China's iconic auto brand Hongqi in Changchun, northeast China's Jilin Province, July 28, 2020. (Xinhua/Zhang Nan)

A fleet of vehicles start an urban tour during an event showcasing the products and culture of China's iconic auto brand Hongqi in Changchun, northeast China's Jilin Province, July 28, 2020. (Xinhua/Zhang Nan)

Visitors look at the H9 sedan during an event showcasing the products and culture of China's iconic auto brand Hongqi in Changchun, northeast China's Jilin Province, July 28, 2020. (Xinhua/Zhang Nan)

A visitor takes pictures of a limousine during an event showcasing the products and culture of China's iconic auto brand Hongqi in Changchun, northeast China's Jilin Province, July 28, 2020. (Xinhua/Zhang Nan)

A fleet of vehicles start an urban tour during an event showcasing the products and culture of China's iconic auto brand Hongqi in Changchun, northeast China's Jilin Province, July 28, 2020. (Xinhua/Zhang Nan)

A visitor takes pictures of a concept vehicle during an event showcasing the products and culture of China's iconic auto brand Hongqi in Changchun, northeast China's Jilin Province, July 28, 2020. (Xinhua/Zhang Nan)