A visitor experiences an eye examination device at the booth of AstraZeneca at the Medical Equipment and Healthcare Products exhibition area during the third China International Import Expo (CIIE) in Shanghai, east China, Nov. 6, 2020. Over 300 exhibitors are attracted to showcase their products at the medical equipment and healthcare products exhibition area, among which over 70 enterprises are the world's top 500 companies and industry leaders. (Xinhua/Liu Ying)