Meanwhile, the China-ASEAN foreign ministers' meeting is convening in Beijing on Thursday, in celebration of the 10-year anniversary of the China-ASEAN strategic partnership.
Foreign Minister Wang Yi will discuss with ASEAN counterparts ways to deepen cooperation.
Ruan Zongze, vice-president of the China Institute of International Studies, said the foreign ministers' meeting displays China's initiative in developing ties with ASEAN countries, and should also be viewed as an important opportunity for them to outline future cooperation.
Su said meetings under the China-ASEAN framework contribute to promoting peace and stability in the Asia-Pacific region.
"Even though some countries seek to use these platforms to contain China, Beijing still voices its own defense message to strengthen trust and dispel suspicion," he said.
"They believe China is too conservative in multilateral diplomacy because of some sensitive issues, but the fact is China is actively seeking security cooperation within various mechanisms while shelving current disputes," Su said.
Mo Jingxi contributed to this story.
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