But he added, "if that's real" - raising some doubt - it would close the USA trade deficit with China, and 'we have to have a negotiated agreement and have this on paper'.
That's more detail than was in a Wednesday statement from China's commerce ministry that said the trade meeting with the US was "very successful" and expressed confidence in implementing the agreement - but didn't provide any further details on the outcome. US markets were closed on Wednesday to observe former President George H.W. Bush's death, but the effect of Wall Street's turmoil the previous day was felt in Europe and Asia with the benchmark Shanghai stock index closing down 0.6 percent.
Trump has agreed to delay a rise in tariffs on China while talks continue.
But Asia failed to follow the lead to the same extent after China gave its first official comments on the temporary trade truce which allowed for tariff hikes to be postponed for 90 days- until 1 April.
Chinese State Councilor Wang Yi told reporters, "The two presidents agreed that the two sides can and must get bilateral relations right".
The ministry's statement came after the USA president, Donald Trump, called himself "a Tariff Man" on Twitter and warned more levies could be imposed on China.
"If it is, we will get it done", Mr Trump said in a Twitter post.
UK's Brexit vote to go ahead on schedule
The Times newspaper reported that senior ministers were urging the prime minister to delay it for fear of a rout. MPs have restarted their five-day long debate on Theresa May's Brexit deal in the House of Commons .
White House economic adviser Larry Kudlow said a reduction in Chinese tariffs on US cars and agricultural and energy commodities would be a "litmus test" for whether US-China trade talks were on track to succeed.
Without disclosing further details about the agreement signed, ministry said, "China will start with the implementation of the specific matters in which consensus has been reached, the sooner the better". The downside for China is that it also needs US sourced LNG as its insatiable gas demand expands amid Beijing's mandate that gas make up at least 10 percent of its power generation energy mix by 2020, with further earmarks set for 2030.
Officials from the United States and a number of other major economies have often criticized China for its slow approach to negotiations and not following through on commitments.
Trump said he believes "President Xi (Jinping) meant every word of what he said" at their meeting recently in Argentina, including "his promise to me to criminalize the sale of deadly Fentanyl coming into the United States".
One Chinese official said officials were "waiting for the leaders to return" before publicising details.
President Xi and his most senior officials are due back in China on Thursday, having visited Panama and Portugal since leaving Argentina.
Bitcoin was struggling to maintain the support around $3600 from a few weeks after crashing down from $6500 to $4200 last month. Numerous top 10 cryptos are suffering double-digit losses in the last 24 hours, taking out weak support levels along the way.
It is not yet known if they will still honour the agreement, however, their reality TV show will air as expected. Online: " Love Island: The Christmas Reunion was recorded last week and will still broadcast as planned".
Goals from James Milner , Roberto Firmino and Xherdan Shaqiri saw Liverpool come from behind to beat Burnley on Wednesday night. Liverpool kept up their unbeaten record and kept up the pressure on Manchester City by coming from behind to beat Burnley .
Later Tuesday, the Ukrainian Agriculture Ministry said grain was again being loaded onto ships in the two ports. The Kremlin has called the naval incident a provocation meant to shore up Poroshenko's sagging popularity.
A spokesperson for DoorDash says the food delivery company is aware of the incident and cooperating with local law enforcement. The delivery app will also be offering a $0 delivery fee on all Cheesecake Factory orders from December 5 to December 11.
Valbuena joined the Cubs in April of 2012 off waivers from the Blue Jays and would play the next three seasons for the Cubs. The pair were in a auto when their vehicle hit a rock and veered off the road, the Orange County Register reported .
You can check out all of the games we are certain or expect to see below, or read about the games we know won't be there . The trailer also confirmed an official worldwide reveal for the title will be shown during The Game Awards 2018.
The 33-year-old has started the 21 games he's been available and missed two games in mid-November due to personal reasons. Ariza himself spoke of the situation on Tuesday, and doesn't feel that he's going anywhere - at least not right now.
Earlier this week, the " Aaj Ki Party " singer took to his Instagram account to share a video from Dubai. They also reportedly stated the consulate hasn't been contacted by either Dubai officials or Mika Singh.
Asian Stock Rebounds Following China-US Trade Truce
Against the dollar, the pound fell to its lowest since October at US$1.2708, down almost 0.7 per cent from the day's highs. Comments by Federal Reserve Chair Jerome Powell were interpreted by markets as hinting at a slower pace of rate increases.
Liverpool lose Joe Gomez for six weeks
I think Ben Mee's was a fantastic tackle. "I think the only one that was questionable was Bardo's". I imagine a player who seems to be an honest player, in Gomez, realised that.