In August, the ministry and several other departments summoned Didi, Uber, CAR and Yidao to a meeting. What was discussed at the meeting was not made public, however, though the four companies pledged to abide by Chinese laws.

The China insurance regulatory Commission said insurance companies would not cover accidents involving private cars that offer carhailing services.

Despite the moves, there has been little change on the roads. People hail cars through Didi and Uber as usual, although sometimes drivers are reluctant to offer rides to railway stations or airports where law enforcement officials appear more often. People also continue to receive Didi and CAR advertisements on their mobile phones at least once a week.

Among at least 250 cities in 57 countries Uber has entered, the top three cities by number of rides by the end of July were in China: Guangzhou, Hangzhou and Chengdu.

Despite the suspicion of illegal operations and even police raids of its regional offices, Uber is winning new investment in China.

Both China Taiping and China Life, two major insurance companies in China, recently confirmed they have become shareholders of Uber.