At the heart of Trump’s latest trade deal with Vietnam and talks with other trading partners is an effort to counter what he sees as China’s unfair practices to circumvent U.S. tariffs.

Shoes, electronics and clothing are just some of the goods that could get more expensive under the trade agreement President Donald Trump announced with Vietnam on Wednesday.

Switzerland is exploring what concessions it can make to secure a deal with Washington on trade, but it must tread carefully to protect its interests with key trading partner, the European Union, politicians and people familiar with the matter said.