Beijing says it could cut US off from exotic minerals widely used in electric cars and mobile phones.
Beijing has an array of options for disrupting trade, but they carry economic and political costs.
Beijing is vehemently protesting the Trump administration’s decision last week to impose controls on exports of computer chips.
Both sides turning up the heat while implementing measures to soften the fallout at home.
Huawei and Google are discussing possible “emergency relief measures” for its smartphone business.
Eleven rounds of negotiations have failed to settle a dispute over Beijing’s push to challenge US technological dominance.
Declares a national economic emergency that empowers the US government to ban the technology and services of “foreign adversaries.”
Chinese officials said they will retaliate if Trump goes ahead with more tariff hikes.
The decision to have Vice Premier Liu He take part in talks due to start Thursday might keep alive hopes of a deal.
Trump vowed to raise tariffs on US$200 billion in Chinese imports from 10% to 25%.
U.S. Trade Representative Robert Lighthizer and Treasury Secretary Steven Mnuchin will travel to Beijing for talks that begin April 30.
Talks in Washington last week dealt with issues including technology transfer, intellectual property rights protection, non-tariff measures, agriculture.
Many analysts say they expect some limited agreement to be reached in the coming weeks or months.
The scheduled talks suggest the two sides believe they can make at least some progress.
Robert Lighthizer and Steven Mnuchin will be in China next Thursday.