Duolun Technology is the governing unit of China Road Traffic Safety Association, the leading enterprise in the driving test industry.

The national key universities under the Ministry of Education of the People's Republic of China and the central government directly under the deputy ministerial level are among the first batch of “double first-class”, “985 projects” and “211 projects”.

Development of intelligent driving core technology and innovative products dedicated to intercity logistics heavy trucks

Provides map browsing, address inquiry, point of interest search, bus exchange, driving navigation, bus route and site inquiry in more than 400 cities across the country.

specializes in the R&D, manufacturing, industry software R&D and service support business of engineering machinery electronic control system.

The national key university under the Ministry of Education of the People's Republic of China and the central government directly under the deputy ministerial level is one of the most famous universities in China with a reputation at home and abroad. It ranks as “985 Project”, “211 Project” and “World Class”. University building colleges and universities"

Directly under the Ministry of Education of China, it is a national key university jointly established by the Ministry of Education, the Ministry of Industry and Information Technology, the Hunan Provincial People's Government, and the National Defense Science and Technology Industry Bureau. It ranks as “Double-Class, 211 Project, 985 Project”