BusinessChina was North Korea's last major trading partner. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessKerstin Schweizer09/06/2017September 6, 2017North Korea's main trading partner, China, is turning off the trade taps. The move is in response to Pyongyang's nuclear tests and missile launches.https://p.dw.com/p/2jPISAdvertisement