Home Business U.S. trade agency affirms Trump's extra 5% tariff hike on Chinese goods Business U.S. trade agency affirms Trump's extra 5% tariff hike on Chinese goods By Genpie - August 28, 2019 156 0 Facebook Twitter Google+ Pinterest WhatsApp The U.S. Trade Representative’s office on Wednesday reaffirmed President Donald Trump’s plans to impose an additional 5% tariff on a list of $300 billion of Chinese imports starting on Sept. 1 and Dec. 15.