It’s official: As part of President Donald Trump’s roller-coaster trade war, the de minimis exemption no longer applies to packages arriving to the United States from China as of Friday, May 2. Will China’s ecommerce giants stop shipping to the United States altogether? Here’s what to know:What’s the difference between the regular tariffs and the de minimis exemption? It made shipping small packages directly from China affordable and fast, thus making Temu's original business model viable. If the recent tariffs aren't removed, will Temu and other Chinese ecommerce sites eventually close down their operations in the US?