The dispute has continued to escalate, as Trump last week threatened to jack up the tariff rate on the next $200 billion in Chinese imports his administration plans to target to 25 percent, from the planned 10 percent.
China buys nearly $18 billion a year worth of goods from Washington state every year.
The latest tariff salvos stem from Trump's complaint that China is unfairly acquiring American technology via coercive joint ventures with US companies, cybertheft and other violations of intellectual property rights. This is the second tranche of such tariffs and comes into effect on August 23. Last year, China imported about $130 billion of USA goods.
China's exports growth unexpectedly accelerated in July despite fresh USA tariffs, while its trade surplus with the United States remained near record highs as Beijing and Washington ramped up a bitter dispute that has rattled financial markets.
The US Seminconductor Industry Association (SIA), which represents manufacturers and designers like Intel, Qualcomm and Texas Instruments, said on Tuesday it was "disappointed and puzzled" their products were on the final list of 279 product lines.
Beijing has called on U.S. officials to be "cool headed", but has warned it will retaliate against any tariffs with its own measures.
Trump has threatened to levy a 25% tariff on an additional $200 billion worth of Chinese imports to the United States - a move that would blow open the disagreement between the countries.
Washington already imposed 25 percent tariffs on $34 billion in Chinese products on July 6. Beijing is expected to hit $16 billion worth of USA goods with equal tariffs in response to Tuesday's move.
The world's two biggest economies are locked in a trade dispute over Washington's charges that China uses predatory tactics in a drive to supplant USA technological supremacy. "We have been very clear about the specific changes China should undertake".
China deprives US companies of the ability to set market-based terms in licensing and other technology-related negotiations.
This article was written by Damian Paletta, Amanda Erickson and David J. Lynch, reporters for The Washington Post.