Hellow guys, Welcome to my website, and you are watching 制造业的“化学反应” The chemical reaction of manufacturing industry | Youfu Rao 饶有福 | TEDxSanyiRoad. and this vIdeo is uploaded by TEDx Talks at 2021-01-22T14:09:11-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
