Choe Son-hui, Director-General of North Korea Foreign Ministry's North America bureau, told reporters in Beijing that her country "will hold dialogue under right conditions" with the U.S. administration.
Choe did not specify what conditions would be needed for a dialogue with the Trump administration.
A South Korean delegation to the two-day Belt and Road Forum in Beijing that starts Sunday could meet with representatives from North Korea.
At the same time, however, a senior North Korean Foreign Ministry official flew to Oslo, Norway, this week to meet with former USA officials and scholars in what is known as "track 2" talks on a range of nuclear, security and bilateral issues.
U.S. President Donald Trump warned in an interview with Reuters last month that a "major, major conflict" with the North was possible, but he would prefer a diplomatic outcome to the dispute over its nuclear and missile programs.
The meeting took place amid a let-up in military tensions on the Korean peninsula after concerns over a fresh nuclear test by the North aimed to mark high-profile anniversaries in April failed to materialise.
Since 2006, the nation has also undertaken five atomic tests in defiance of UN and United States sanctions, two of them in the past year, according to statements from Pyongyang.
Weeks earlier, however, North Korea had warned the USA it was "ready to hit back with nuclear attacks" if provoked, as the countries seemingly moved closer to a direct confrontation.
"The United States put THAAD in there as part of their "pivot against China" that was started by [previous USA president Barack] Obama".
Guns, gold and gas: What UN sanctions target North Korea?
When he is not inspecting exhibitions, Kim's war games continue with North Korea sending coded messages across South Korea's airwaves, with reports the broadcasts are directing their spies in the South.
In February, China banned all coal imports from North Korea.
United Nations sanctions limit North Korea's diplomats overseas - at the country's Berlin embassy, for example - to only one bank account each.
Kim Jong-il, the father of North Korea's current leader, Kim Jong-un, suspended the committee in 1998.
"I will quickly move to solve the crisis in national security".
North Korea open to US talks under 'conditions'
It said on Tuesday that North Korea would send a delegation to the summit but gave no other details. Choe did not specify what conditions would be needed for a dialogue with the Trump administration.
Nadal snaps winless streak vs Djokovic to reach Madrid final
The Spaniard finished off the first set in 40 minutes and again broke the struggling Djokovic in the opening game of the second. This time a year ago Djokovic was on top of the tennis world, not only in the present, but ticking all-time great achievements.