Put on this cloth to charge your phone! At a services trade fair in Beijing, a nanotechnology can help reduce your carbon footprint. Follow Xinhua's Hong Yan and Wu Yao to discover the new tech for a green life.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
