As President Donald Trump's trade war locks the world's two largest economies on a collision course, nations are being forced to choose between China and the United States.

Levies could be cut by more than half in some cases although President Trump hasn’t yet made a final decision.

The Trump administration would look at lowering tariffs on imported Chinese goods pending talks with Beijing, a source familiar with the matter said on Wednesday, adding that any action would not be made unilaterally.