Chinese ambassador to the UK Liu Xiaoming said trade protectionism poses severe challenges to the world economic order and the multilateral trade regime. He made the statement in London at the Annual Commonwealth Diplomats Induction Program. He said US tariffs on Chinese goods are deeply rooted in the belief of the "zero-sum game." Subscribe to us on YouTube: https://goo.gl/lP12gA Download our APP on Apple Store (iOS): https://itunes.apple.com/us/app/cctvn... Download our APP on Google Play (Android): https://play.google.com/store/apps/de... Follow us on: Website: https://www.cgtn.com/ Facebook: / chinaglobaltvnetwork Instagram: https://www.instagram.com/cgtn/?hl=zh-cn Twitter: / cgtnofficial Pinterest: / cgtnofficial Tumblr: / cctvnews Weibo: http://weibo.com/cctvnewsbeijing