Nonstandard electric bikes will be banned from all Shenzhen streets starting Sept. 10, local police and market supervision authorities announced.
Businesses that produce nonstandard electric bikes will be shut down and could lose their operating license.
Unlicensed motorcycle riders also will be detained.
Local police are giving electric bike riders a grace period until Aug. 31.
E-bikes have been banned on major Shenzhen roads, and during certain times since last April.