According to reports, the China-based firm has recently been valued at more than $50bn, behind only its US peer and co-shareholder Uber.

Didi’s meteoric rise has been fuelled by more than $13bn of funding since it was founded, with a $5.5bn round, led by Japan’s SoftBank, completed in spring this year.

Alongside SoftBank, Didi’s backers include Chinese tech giants Alibaba, Baidu and Tencent, as well as the likes of Apple and Foxconn. The company said…