He said they've had a "big impact" in damaging China's economy, claiming Washington's trade deficit with Beijing has gone down substantially.
The US treasury secretary is convinced there are "other buyers" for China's stock of more than $1 trillion worth of US securities.
The US Energy Department said it would make it more hard to ship nuclear technology to China, one of the few growing markets for new plants as the Asian economy tries to meet rising electricity demand through low-carbon sources.
The Trump administration has pivoted to a more aggressive stance toward China since the president said last month the country is interfering in USA elections. In 2017, the U.S. had a deficit with China of $376 billion, excluding services, out of a total goods deficit with the world of $832 billion.
The United States is tightening controls on China's imports of civil nuclear technology to prevent use for military or other unauthorized purposes, the U.S. Department of Energy said on Thursday amid increased trade tensions.
Facebook wants you to invite its cameras into your homes, pledges privacy
Plus, to manage Portal access within your home , you can set a four- to 12-digit passcode to keep the screen locked. Portal itself will be fitted out to use augmented reality effects that have become popular on Facebook Messenger.
Beginning past year, the National Security Council led a review of China's efforts to obtain nuclear material, equipment and advanced technology from USA companies, government officials said in a conference call with reporters on Thursday. "I can't say 100 per cent certainty, but there is no question everybody is looking at it".
China's stock market has plunged this year but the trade war has also started to erode Trump's oft-touted USA stock gains, with the Dow Jones Industrial Average down more than five percent for the week.
The new policy goes into immediate effect, and sets guidelines for reviewing all existing and future technology transfers into China, the officials said.
The Wall Street Journal and the Washington Post both cited officials saying Trump has made a decision to proceed with the meeting with Xi. In the past, Treasury has placed China on a watch-list but found that Beijing did not meet the threshold to be labeled a currency manipulator.
"We are seeing more and more - China included - countries that actually let their currency fluctuate, and that certainly has been the case over the last three years as far as China is concerned", Lagarde said.
Stocks plunge again; Dow's two-day loss reaches 1,300 points
Investors see many of these countries as being vulnerable to higher USA interest rates, which can pull away investment dollars. All 30 of the Dow's stocks were in the red and it fell below 26,000 total points for the first time in a month, CNN reported .
In an interview with Bloomberg News on Thursday, Mnuchin declined to comment on the report.
A cargo ship is seen at a port in Qingdao in China's eastern Shandong province on Friday. She pointed to the dollar's strength as the main culprit for the weaker Chinese currency. The review was prompted by China's accelerated efforts to acquire US intellectual property to the detriment of USA businesses and military interests, they said.
As the trade war between the USA and China escalates, .
China's trade surplus with the United States surged to a record high of $34.13 billion in September from the August figure of $31.05 billion, Chinese customs data reported on Friday, according to Reuters.
The yuan has lost almost 10 percent of its value against the U.S. dollar this year.
Malema's EFF declares 'war' to remove South Africa's finance minister
Malema had threatened on Sunday that streets protests might be organised to demand for the removal of Nene as finance minister. It is a measure of his character that he had taken this decision.