A model of the snow wax truck with the largest floor area in the world is displayed. Independently developed by Chinese companies, the trucks were used during the Beijing 2022 Winter Olympics. [Photo/chinadaily.com.cn]

A model of the Conson No 1, the world's first 100,000-metric-ton, smart fish-farming ship is seen at the exhibition. The ship can handle 3,700 metric tons of fish, including yellow croaker, grouper and Atlantic salmon, annually. It is expected to boost the nation's deep-sea aquaculture industry. [Photo/chinadaily.com.cn]

An ultrasound screening equipment for high-risk diseases at the exhibition. [Photo/chinadaily.com.cn]