It comes after Chinese negotiators agreed to extend their stay in Washington.
Both countries are pushing to strike a trade deal.
The latest development could mean that a breakthrough agreement is on the horizon.
Both nations are desperate for a way out of 2018's punishing trade war.

Australia, EU seal long-awaited trade deal
Weaponising Strait of Hormuz is an act of economic terrorism: Sultan Al Jaber
IEA consulting with governments on further oil stock releases, chief Birol says
Dollar rises as escalating Middle East tensions spur haven demand
Business leaders highlight Dubai’s resilience amid global developments
