Five of the six parties to the talks on ending North Korea's nuclear program will likely make contact in China soon.

The U.S. is known to be considering sending to Beijing its special envoy on North Korea Stephen Bosworth and chief nuclear negotiator Sung Kim

South Korea is also considering dispatching its chief nuclear envoy to China Wi Sung-lac around the time of Bosworth and Kim's visit.

Wi is known to be planning a trip to Beijing next month.

Japan and Russia will also send their top nuclear negotiators or contact China through their respective embassies in Beijing.