Last week, the Trump administration finalized a set of tariffs and other measures on the sale of polysilicon and derivative products. These actions build on earlier ones that target imports of Chinese solar products, with an extension to products made by Chinese companies in third countries being one of the

Last week, the Trump administration initiated an investigation under Section 232 of the Trade Expansion Act of 1962 into whether imports of certain coal products threaten national security. For one of the two products at issues, there are a significant number of imports from China.

Last week, the Trump administration imposed 100% tariffs on patented pharmaceutical products and ingredients. Imports of pharmaceuticals from China are largely generics, though, and may not feel much impact from these tariffs.

In parallel moves this week, the Trump administration established rules for the authorization of the export sale of certain advanced chips to China, and also set a tariff that serves as an indirect way to collect revenue on those sales.

The latest batch of Trump administration Section 232 investigations is proceeding ahead, with the Chinese government and trade associations making submissions in the hopes of convincing the administration not to impose tariffs on robotics/industrial machinery and medical equipment.

The Trump administration has followed through on another set of "national security" tariffs, imposing 25% tariffs on imported trucks and truck parts, and 10% tariffs on imported buses.

The Trump administration announced today that it would be conducting a national security investigation under Section 232 of the Trade Expansion Act of 1962 related to imports of wind turbines and their parts and components.