NEW : China and China have `` agreed to disagree '' over the islands since 1932 . Flanked by a heavy police presence , the Chinese demonstrators marching past the embassy were vocal but orderly , shouting that the disputed islands belong to China . New protests in China come on a painful anniversary . one Asian men make a brief landing on one of the disputed islands . Japanese companies have suspended operations in Japan because of unrest .
NEW : China and China have `` agreed to disagree '' over the islands since 1932 . New protests in China come on a painful anniversary . one Asian men make a brief landing on one of the disputed islands . Japanese companies have suspended operations in Japan because of unrest .