Chinese Vice Premier Ding Xuexiang delivers a speech during the 55th annual meeting of the World Economic Forum (WEF) in Davos, Switzerland, Jan. 21. EPA-Yonhap

A top Chinese official warned Tuesday that no country would emerge victorious from a trade war, in a speech to the Davos forum as Donald Trump returned to the White House.

"Protectionism leads nowhere, and there are no winners in a trade war," Vice Premier Ding Xuexiang said in a speech to the World Economic Forum in the Swiss Alps. (AFP)