The 20th Western China International Fair is being held from Sunday to Thursday in southwest China's Chengdu. More than 3,000 enterprises from over 60 countries and regions are displaying their products. CGTN reporter Zheng Songwu visits the fair to explore an AI walker that can help hemiplegic patients train muscle strength and improve lower limb movement capability.
Copyright © 2020 CGTN. Beijing ICP prepared NO.16065310-3