BMW is drawing close to mass production of its L3 autonomous vehicle in 2021.
The news follows a similar announcement made by rival Didi a day earlier.
The company is the latest tech firm to announce plans to test robotaxis in China.
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.
Changsha and Guangzhou are the two major Chinese cities aiming to rise above the rest in the country’s AV race.
Following the partnership, AutoX will be testing its technology on three continents.
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.