On May 14, 2024, the Office of the United States Trade Representative (USTR) released the results of the four-year review of the 301 tariffs on China, announcing that on the basis of the original 301 tariffs on China, Further increase the tariffs on electric vehicles, lithium batteries, photovoltaic cells, key minerals, semiconductors, steel and aluminum, port cranes, personal protective equipment and other products imported from China (concentrated in seven industries), the tariffs increased to