China on Friday said it is necessary to send marine surveillance planes in airspace over the Diaoyu Islands in order to safeguard its sovereignty.
Former Japanese PM Yukio Hatoyama is scheduled to arrive in Beijing on Tuesday for a four-day visit, a move analysts said will build a communication channel.
Special: China-Japan Dispute over Diaoyu Islands
Chinese and Japanese aircraft were involved in a standoff in the skies above the Diaoyu Islands on Thursday. Special: Diaoyu Islands Dispute
China on Tuesday published a pamphlet featuring standardized names of the Diaoyu Island and its affiliated islets.
China has expressed serious concern and firm opposition to a U.S. bill that regards China's territory as under the authority of a U.S.-Japan security pact.
A fleet of Chinese warships head to the Pacific for routine drills on Nov 28, 2012, passing through MiyakoStrait.
Japan is urged not to do anything that will harm regional security and stability as right-wing forces rise in the country ahead of an election next month, a Foreign Ministry spokeswoman said on Friday.
Sovereignty protection 'proper and necessary': FM Special: Diaoyu Islands Dispute
No external pressure can shake the strong will and determination of the Chinese government and people to maintain territorial sovereignty.
China rejects Japan's 'control' of Diaoyu waters
New Japanese ambassador to China named
Philippines risks flaring tensions with island talks
The Japanese government officially approved the appointment of Masato Kitera as its new ambassador to China at a cabinet meeting Thursday morning.
Japanese exports to China fall amid islands row
Skepticism on Sunday continued to spread in Japan over calls by the ruling party's top adviser Yukio Hatoyama for Tokyo to face up to Beijing over the Diaoyu Islands dispute.
On 26 October 2012, Vice-Foreign Minister Zhang Zhijun gave a briefing to Chinese and foreign journalists on the Diaoyu Dao issue.
China on Friday said it will take forceful measures in response to any moves that challenge the country's bottom line on sovereignty. Japan's actions closely watched: FM China urges Japan not to misread situation Special on Diaoyu Islands dispute