Donald Trump meets in the first talks with China's President Xi Jinping after the G20 summit, after a trade war broke out this year.
Mr. Trump said he hoped they would make a deal while dining in Buenos Aires to defuse trade conflicts and said he believed Beijing wanted this.
Meanwhile, G20 leaders have agreed on a joint communiqué for the summit.
It noted trade deficits, but did not criticize protectionist activities, AFP reported.
The French leader Emmanuel Macron According to the reporters, the World Trade Organization, which is responsible for the settlement of commercial disputes, needs to be modernized.
A senior US official told Reuters it was the first time that the G20 recognized that the WTO was "currently failing" its goals "and called for reform.
Mr. Trump met briefly on Friday Russian President Vladimir Putin on the sidelines of the G20, a Russian official told Reuters.
Earlier, US President He said he had a planned press conference "out of respect for the Bush family" following the death of former President George HW Bush postponed to the age of 94.
Earlier at the Summit, emerging countries condemned protectionism.  Chilean President Sebastián Piñera told the BBC he hopes for an agreement to end what he calls "this Nonsense of a Customs War "
However, US sales representative Robert Lighthizer said he would be surprised if Mr. Trump's working dinner with Mr. Xi was "not a success." Emagazine.credit-suisse.com/app/art…3518 & lang = DE Meanwhile, Wang Xiaolong, director – general of the Department of Foreign Affairs of the State Department, said: "The consensus is steadily growing in the US" Differences remained.
Both sides have imposed duties on goods worth billions of dollars.
The US has been paying $ 250 billion in Chinese customs duties since July, and China has retaliated by charging US $ 110 billion in tariffs
Earlier this month, the Trump government accused China not to change his "unfair" practices.
Beijing has since accused the US of having begun "the biggest trade war in economic history."
The US and Chinese trade departments also said that an Asian economic summit earlier this month was not the first in its history
During the Asia-Pacific Summit (APEC ), Mr. Xi hit America's First America policy, saying that countries committed to protectionism were "doomed."
Prior to the G20, Trump told the US media, He intends to increase the tariffs to 25% from $ 200 billion of Chinese goods, first introduced in September (from 1 0%) starting in January 2019.
Mr. Trump also said that if he failed, he threatened to dump the remaining $ 267 billion of Chinese exports to the United States at 10-25% ,