wto # 18.09.2012 03 Uhr # wto23a # Journal EnglischTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video09/18/2012September 18, 2012US-Chinese trade relations are also showing signs of strain -with the two nations an escalating tit for tat dispute.https://p.dw.com/p/16AltAdvertisement