Is Hengshui taxi restricted in Beijing?

4. The following motor vehicles are not restricted: buses, cruise taxis, long-distance passenger buses (including tourist buses), school buses approved by the public security traffic control department, and commuter buses with bus passes issued by the public security department; Police cars, law enforcement vehicles, fire engines, ambulances and wreckers performing tasks; Special vehicles for sanitation, gardening and road maintenance, special vehicles for funeral and burial, special vehicles for postal service, and emergency vehicles with emergency repair passes issued by the public security traffic management department; Passenger cars with less than 9 seats are pure electric vehicles (with rechargeable batteries as the only power source and driven by electric motors).