World trade is ramping up rapidly ahead of the changeover of power to Donald Trump. 

The US President Elect has campaigned on an agenda of increased protectionism, with tariffs of up to 20% on all imports. 

He's also planning higher tariffs on Chinese goods, potentially setting the stage for another trade war. 

Mainfreight managing director Don Braid told Mike Hosking that if tariffs are applied, there'll be a price increase in some places. 

He says they are already seeing people filling their warehouses with stock-piled products before tariffs are applied. 

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