Earlier this week, Trump said there was still no plan for him to hold a summit with Chinese President Xi Jinping.
Later, at a Saint Patrick's Day celebration in the White House with the Irish Prime Minister Leo Varadkar, Trump predicted results in the near future.
Despite claims of progress in talks by both sides, a hoped-for summit at Trump's Mar-a-Lago resort will now take place at the end of April if it happens at all, according to one of the people.
USA stocks were little changed in late afternoon trading on Thursday amid uncertainty over when a trade deal between the United States and China would be reached.
Chinese officials have also bristled at the appearance of the deal being one-sided, and are wary of the risk of Trump walking away even if Xi were to travel to the US.
A discussion was held between China's vice premier Liu He and United States trade representative Robert Lighthizer and treasury secretary Steven Mnuchin by phone on Thursday, and that "further material progress" has been made over the wording of the agreement document, Xinhua news reported.More news: UK Parliament votes to delay Brexit but rejects second referendum
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Three sources linked to the matterinformed CNBC about China's plans to initiate a formal state visit to the us for a trade deal announcement. And if it's not, we're not going to make that deal.
"I do not think that any type of agreement with China on trade and investment is sustainable, because it is a zero sum game".
"We could do it either way", Trump told reporters Wednesday at the White House.
"We're making great deals, or we're not going to make them at all".
However, Bloomberg reported that the "signing summit" had been pushed back a month as negotiators struggled to resolve their differences. "But it doesn't matter that much". "We have other deals that we have cooking", he said. Lighthizer warned "major issues" remained outstanding in talks. "Substantial" Progress With China (Just Don't Ask Where) in response to Trump's Tweets.
As to the reason why China and the US are postponing the signing of the agreement that will put an end to the trade war, Trump's trade representative Robert Lighthizer said that there are still some major issues to resolve including the intellectual property dealing. 'We want to get the agreement right...that's more important than the exact timing, ' he said.