The chief negotiator of the Republic of Korea (ROK) to the six-party talks on Friday morning urged all the parties to show sincerity to narrow the difference and make progress in the talks.

"Weather we can make substantial progress in the talks depends on what stance the Democratic People's Republic of Korea (DPRK) would take," said ROK chief negotiator Chun Yung Woo before he was leaving for the Diaoyutai state guest house.

He said disputes still exist and all the parties concerned should have further discussions with sincerity.

Sources here said the Chinese delegation would have one-on-one meetings with the other five parties Friday, and the U.S. and the DPRK would also have one-on-one talks.

Source: Xinhua