At the 20th China-ASEAN Expo in Nanning, Guangxi on Sept 18, a batch of exhibits featuring cutting-edge technologies caught the attention of the public. 

A man gets a close look at China's first independently-developed deep-sea manned submersible Fendouzhe (Striver). [Photo by Yu Jing/China News Service]

A woman poses for a photo on a light-weight helicopter. [Photo by Yu Jing/China News Service]

Automatic refueling robots attract a lot of attention. [Photo by Yu Jing/China News Service]