If global supply chains are forced to adjust as a result of the ongoing trade tensions between the U.S. and China, it could cost the world economy about 1 percent of its GDP by next year, Tao Zhang, deputy managing director at the International Monetary Fund, told CNBC.

At its worst, the ongoing trade tensions could knock 1.6 percentage points off China's economic growth over the first two years, according to an analysis by the International Monetary Fund.

From bicycles to audio equipment, companies that brought production back to the U.S. say tariffs on Chinese imports are hurting them.

For January-September, China’s trade surplus with the United States was $225.79 billion, compared with about $196.01 billion in the same period last year.

“Bad news on tariffs in the U.S. is good news for them,” Robert Crain, general manager for the Americas for equipment dealer AGCO Corp (AGCO.N), said about Brazilian farmers in an interview at the Iowa show.

The automaker is the sole bidder for a plot of land with an auction price of around 1 billion yuan ($145 million).

Washington announced the nuclear technology controls a day after the U.S. Justice Department said it had arrested and indicted a spy for China’s Ministry of State Security on charges of economic espionage.

Meeting is scheduled to take place at the Group of 20 leaders’ summit in Buenos Aires at the end of November.

The toughened investment regime will apply to all countries but is aimed largely at China.

"China will continuously expand opening up. We welcome Japanese enterprises to increase investments in China and continue to play a positive role in promoting cooperation and exchanges between China and Japan," Li said.