China Warns Canada Against Helping US in Extradition Case Involving Tech Giant Huawei on 31.5.19 China and the US are currently embroiled in a trade dispute that is weighing heavily on global financial markets. source https://www.news18.com/news/tech/china-warns-canada-against-helping-us-in-extradition-case-involving-tech-giant-huawei-2167719.html