曾经有美国报道:"Last year (2019), China accounted for 95 percent of U.S. imports of ibuprofen, 91 percent of U.S. imports of hydrocortisone, 70 percent of U.S. imports of acetaminophen, 40 to 45 percent of U.S. imports of penicillin and 40 percent of U.S. imports of heparin, according to Commerce Department data."