Ride-hailing, bike rental, and food delivery services were all affected.
So far, more than 1,000 user accounts have been frozen for periods of time ranging from five to 90 days.
Didi is digging a wide yet deep competitive moat around the broader Chinese mobility market. Bike rentals will be a main driver of growth.
The rules went into effect on Wednesday on Didi’s bike-rental platforms Qingju and Bluegogo.
Didi’s struggles in the bike-rental market led to a launch of its own brand, Qingju.