Imposing extra tariffs of 15% on U.S. chicken, wheat, corn and cotton, and 10% on sorghum, soybeans, pork, beef, seafood, fruits, vegetables and dairy. These charges kick in on March 10.
Suing the U.S. at the World Trade Organization.
Adding U.S. companies to export-control and corporate blacklists, and stopping Illumina from selling gene sequencers in China.
Probing U.S. firms for potentially "dumping" fiber-optic products into the Chinese market.
Suspending some U.S. imports, including of wood, and of soybeans from three companies.
Still, while China's government is talking tough, some analysts say the response is partly symbolic, with one calling it "very muted."
