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 tensions"The current situatio大发国际法官方appn on the Korean Peninsula is complicated, sensitive and severeBeijing expressed its opposition to Pyongyang's use of ballistic missile technology in violation of UN Security Council resolutions on Friday, calling for restraint from all relevant partiesChina also does not hold the key to the Korean Peninsula issueShe noted that the essence of 大发国际法官方appthe nuclear issue on the Korean Peninsula is a security issue, and the core is conflict between Pyongyang and WashingtonAccording to Hua, China has strictly and comprehensively implemented UN Security Council resolutions, and has made "enormous sacrifices at a great price"