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Using self-driving vehicles to pick up passengers in a district of Shanghai city
Founder Cheng Wei and president has apologised for their ignorance and pride in an emotive note, promising safety
The investment is part of a new partnership agreement between the two companies
Didi's valuation makes it top in Asia and number two in the world after
Uber's investment comes weeks after Didi Chuxing announced it is investing more than $100m in a Brazilian company
The bike service, which runs via an app for iPhone or Android, started out as a student project in 2014
China has become the world's largest online car-hailing market, says vice transport minister Liu Xiaoming