At a meeting last week, the Senate Committee on Homeland Security and Government Affairs considered a bill that would "prohibit contracting with certain biotechnology providers," with four Chinese companies named.

Two Republican Senators have recently introduced legislation that would raise tariffs on imports of Chinese autos and clean energy products.

New legislation introduced by a group of conservative House Republicans would get tougher on China in a number of areas, including trade and investment.

Senator Josh Hawley (R-MO) has proposed legislation that would increase the base rate tariffs on automobiles from Chinese producers – whether made in China or elsewhere – to 100 percent, for a total tariff of 125 percent when combined with the Section 301 tariffs currently in effect.

Last week, Sen. Rick Scott (R-FL) proposed a Section 232 investigation that could lead to additional import restrictions on Chinese garlic for "security" reasons, and also proposed or put forward legislation to restrict or ban Chinese garlic and seafood imports.

Last week, two Republican U.S. Senators introduced a bill that targets China, Russia, and other countries whose manufacturing and natural resource processing involve relatively high carbon emissions.

Senator James Lankford (R-OK) has introduced a bill that would use Permanent Normal Trade Relations (PNTR) as leverage to deter Chinese coercion and military aggression against Taiwan.