Canadian Prime Minister Justin Trudeau is in China to discuss trade, but experts say significant hurdles stand in the way of progress. <br><br> <img src="https://fm.cnbc.com/applications/cnbc.com/resources/img/editorial/2017/12/04/104878793-GettyImages-885262270.1910x1000.jpg"><br><br> <a href=" https://www.cnbc.com/2017/12/04/canada-urgently-needs-more-trade-with-china-but-big-hurdles-lie-in-its-path.html ">Read More</a>