Chonqing-based automaker Chang’an is the first to pilot its driverless vehicles in the zone.
The devices can also be used to collecting driving data such as route choice and emergency braking to improve traffic management.
Nio’s founder said the company will enhance the efficiency of its business operations to develop next-generation products.
Mapping has become a key stepping stone for companies looking to expand in the mobility services sector.
The city ranked second among Chinese cities in car production with nearly 2.97 million units in 2018.
AutoX and Pony.ai had also granted first batch of licenses to conduct road testing in the southern Chinese city of Guangzhou.