China on Wednesday urged the United States to "strictly abide by" its commitment to neutrality on the Diaoyu Islands issue.
Chinese Foreign Ministry spokesman Hong Lei on Tuesday urged Japan to learn from history and adhere to peaceful development path.
Beijing vowed "zero tolerance" for any escalation by Japan that infringes on China's territorial sovereignty over the Diaoyu Islands in the E.China Sea.
The Chinese Foreign Ministry on Tuesday expressed "grave concern" over Japanese Chief Cabinet Secretary Yoshihide Suga's remarks on the Diaoyu Islands, stressing that China will not tolerate actions that violate its territorial sovereignty.
A Chinese fleet patrolled the waters surrounding the Diaoyu Islands on Tuesday, marking the country's 59th Diaoyu Islands patrol in the past year, the State Oceanic Administration said.
A year on from Japan's announcement of its plans to "nationalize" China's Diaoyu Islands, political and economic ties between the two countries have weakened, and they will remain weak if Japan continues its stance.
Japan should handle sensitive issues including the Diaoyu Islands in a correct way to control divergence and seek a resolution, Chinese President Xi said.
With both Chinese and Japanese leaders gathering in the Russian city of St Petersburg for a G20 summit on Thursday, curiosity arose over the possibility of a sideline contact between the two neighboring countries.
Lawmakers from China and the Republic of Korea (ROK) issued a joint press communique Wednesday, urging Japan to reflect on its history of aggression and colonization.
On the 68th anniversary of victory in the anti-Fascist war, the Japanese government and the right wing must listen to the call of justice and improve ties with neighboring countries.
China on Tuesday urged Japan to honor its commitment of reflecting on its history of invasion and take concrete actions to gain the trust of its Asian neighbors and the international community.
Chinese State Councilor Yang Jiechi on Friday urged the United States to correctly understand the Diaoyu Islands issue and be cautious with words and deeds.