Negotiations are underway this week between the U.S. and China in Shanghai. Trump said China President Xi Jinping has not followed through on agreements to purchase agricultural products from the U.S. and to end the sale of fentanyl to the U.S.
In June, Trump said China had agreed to those terms and said he was delaying implementation of new tariffs on List 4 as a result. In May, tariffs on List 3 were increased from 10% to 25%. Those rates were on top of existing tariffs on those products, which are mostly between 0-11%.
Related: See How we got here: A tariff timeline and A retailer's crash course in dealing with tariffs.
...during the talks the U.S. will start, on September 1st, putting a small additional Tariff of 10% on the remaining 300 Billion Dollars of goods and products coming from China into our Country. This does not include the 250 Billion Dollars already Tariffed at 25%...
— Donald J. Trump (@realDonaldTrump) August 1, 2019