In return, the United States promised not to use nuclear weapons or conventional weapons to attack or invade the DPRKIn the statement, the DPRK r完美体育网站eaffirmed its commitment to abandoning nuclear weapons and existing nuclear programs"We believe if the parties concerned can adhere to those consensus, abide by the spirit of the joint statement and seek ways to address the reasonable concerns of concerned parties, we will find a way out," said the spokespersonLu said the parties concerned should learn from experience in reaching the agreement, which includes holding that the core of the Korean Peninsula nuclear issue is over security issues, the key lies with the United States and the DPRK, and concerns of all parties should be resolved in a balanced wayBEIJING -- China said Tuesd完美体育网站ay that the six-party talks are still an efficient platform to address the Korean Peninsula nuclear issueLaunched in 2003, the six-party talks were suspended in December 2008