The pledge comes as President Xi Jinping and his counterpart Barack Obama met on the sidelines of the fourth Nuclear Security Summit in Washington.
Chinese President Xi Jinping said on Thursday that his country will not accept any act under the disguise of freedom of navigation that violates its sovereignty and damages its security interests.
China and the US should handle unresolved disputes in a constructive manner to avoid misunderstandings and escalating conflict, Xi said.
China and the United States on Thursday reaffirmed their commitment to jointly tackling climate change as the world's two major carbon emitters plan to ink an ambitious climate agreement next month.
Chinese President Xi Jinping met with Danish Prime Minister Lars Loekke Rasmussen Thursday on the sidelines of the fourth Nuclear Security Summit, calling for bigger progress in the development of bilateral ties.
Beijing is expected to call on the global community to recognize common interests and cooperate in handling emerging nuclear risks, including terror attacks, at a key nuclear security summit.
President Xi Jinping and his US counterpart Barack Obama will meet Thursday in Washington in a bid to expand ties and manage differences.
President Xi Jinping will attend the fourth Nuclear Security Summit and meet his counterpart Barack Obama on Thursday in Washington.
Meeting between the two leaders will stress the crucial importance of overcoming suspicion regarding the Korean Peninsula issue, experts said.
China is contributing to the common good through its efforts to improve nuclear security both at home and abroad, a senior official from the International Association for Atomic Energy (IAEA) has said.
An advisor to US President Barack Obama on Tuesday spoke highly of a nuclear security center recently opened in China, saying the United States is encouraged by China's leadership in the realm.
The meeting between President Xi Jinping and US President Barack Obama will be another important opportunity to advance cooperation and address differences.