The Peace Ark left a naval port in China's Zhejiang province on July 26 to carry out its 155-day goodwill mission

The ambassador also said China will never recognize the DPRK as a nuclear state and opposes nuclear weapons anywhere on the Korean Peninsula"Honestly, I think the United States should be doing … much more than now, so that there's real effective international cooperation on this issue," Cui said

"Everybody else will have to do their share; they cannot leave this issue to China alone," Cui saidThe ambassador said China has done its best to implement the UN Security Council resolutions in a strict and full fashion, while pushing for relevant parties to resolve problems through peaceful negotiations"China is not the driver behind the escalation of the tensions

All relevant parties should remain calm and avoid actions that intensify tensions," Foreign Ministry spokeswoman Hua Chunying said after Pyongyang fired a ballistic missile that flew over northern Japan and landed in the Pacific Ocean earlier in the day"It's irresponsible and unhelpful for the settlement of the issue to unjustly blame others and shirk responsibilities in any form," she added

The UN Security Council will hold an emergency meeting on Pyongyang's latest missile launch on Friday, at the request of the US and Japanese delegations, days after it unanimously adopted a new resolution imposing more sanctions over Pyongyang's Sept 3 nuclear test

Shi Yongming, a researcher at the China Institute of International Relations, said the US never tries to determine what its own problem is, but insists on blaming China for the current tensionsBEIJING -- China said Tuesday that the six-party talks are still an efficient platform to address the Korean Peninsula nuclear issue

Launched in 2003, the six-party talks were suspended in December 2008Lu said the joint statement, signed on Sept 19, 2005, is the most important progress in addressing the Korean Peninsula nuclear issue through negotiations, and is of milestone significance

China also proposed a dual-track approach to denuclearization on the peninsula on the one hand and establishing a peace mechanism on the otherChina has put forward the "double suspension" proposal, which requires the DPRK to suspend its missile and nuclear activities in exchange for the suspension of large-scale US-ROK military drills