'CIIE babies': Where prototypes come to grow up

How does an exhibit become a product people can actually buy? At the China International Import Expo (CIIE), some innovations make their debut long before reaching consumers. Known as "CIIE babies," these products grow through market feedback, business connections and regulatory approvals. From medicines to corrective lenses, discover how the CIIE helps turn promising exhibits into products that find their way into everyday life in China. (Produced by Wang Yuting, intern Li Zhenyuan and Wang Shuyi)