July 4 (Reuters) - U.S. President Donald Trump said he had signed letters to 12 countries outlining the various tariff levels they would face on goods they export to the United States, with the "take it or leave it" offers to be sent out on Monday.

President Donald Trump’s new trade deal with Vietnam sends a clear signal about where US tariffs on Chinese goods might ultimately land, as talks between Washington and Beijing continue following their recent truce.

The United States will place a lower-than-promised tariff on many Vietnamese exports, Donald Trump said, cooling tensions with its tenth-biggest trading partner days before the U.S. president could raise levies on most imports.