"As a result of China's retaliation [the introduction of tariffs on $US34 billion worth of US imports] and failure to change its practices, the President has ordered the US Trade Representative (USTR) to begin the process of imposing tariffs of 10% on an additional $US200 billion of Chinese imports", Lighthizer said.
The president has openly mocked pushback from Capitol Hill, riffing last week about what happens when he moves to put tariffs on countries that have been "ripping us off for years".
'TARIFFS ARE TAXES' Senate Finance Committee Chairman Orrin Hatch, a senior member of Trump's Republican Party, said the announcement "appears reckless and is not a targeted approach".
China Daily said in an editorial that Beijing had to stand up to Washington.
The move has been swiftly and heavily criticised by China, which said it was "totally unacceptable" for America to keep escalating the trade dispute.
The White House said it was considering additional tariffs of 10% on $200 billion worth of Chinese exports. President Donald Trump had ordered him last month to draw up the list in the event China retaliated against a previous round of US tariffs.
Evo Morales fue internado en clínica de La Paz
Morales viajó al Vaticano el jueves para acompañar la consagración del nuevo cardenal de su país, Toribio Ticona , el primer indígena latinoamericano en ser consagrado en esa jerarquía.
Yet matching the latest US barrage would force China to either levy much higher tariffs or take more disruptive steps like cancelling purchase orders, encouraging consumer boycotts and putting up regulatory hurdles. "Unfortunately, China has not changed its behavior - behavior that puts the future of the USA economy at risk".
The 200-page document, released on Tuesday by the US Trade Representative's office, gives notice to those who wish to comment on the proposal and lists hundreds of products that would be subjected to the new tariffs.
Pence cited several exporting opportunities that he said have improved during the Trump administration, including beef to China and poultry to South Korea. "What's next is not so much a trade war or even a cold war as the dawn of an ice age in relations between China and the United States".
After the list was released, China's Commerce Ministry said in a statement that it could not accept the additional tariffs proposed by the USA, adding that it was "shocked" by the decision.
The USTR, the federal agency that oversees worldwide trade policy and negotiations, said it was responding to Beijing's decision to retaliate instead of changing its policies. The prospect of an global trade war has sent jitters through world markets.
The President's tariffs are already squeezing some USA firms, which have started to raise prices or lay off workers as a result.