High-end products and technologies were on display at the recently concluded 19th China-ASEAN Expo, which took place in Nanning, capital of Guangxi Zhuang autonomous region, from Sept 16 to 19.

Among them are autonomous driving tractors, self-driving buses and technology used for raising fish and shrimp in the paddy fields, attracting lots of attention from attendees during the exhibition.

Hundreds of components and parts of a vehicle are on display at the expo. [Photo by Yu Jing/China News Service]

A man takes a picture with China's first hydrogen electric autonomous tractor. [Photo by Yu Jing/China News Service]

An unmanned marine survey vessel is on display at the expo. [Photo by Yu Jing/China News Service]