From April 29 to May 2, 2006, Endo Otohiko, head of the Japan-China New Century Association and member of the Komeito Party in the Diet, led five diet members of the association and paid a visit to the burial sites of abandoned chemical weapons in Jilin Province and Guangdong Province. Takamatsu Akila, who is in charge of Abandoned Chemical Weapons Office of the Cabinet Office, accompanied the diet members during their visit. Chinese officials of the Ministry of Foreign Affairs and the Ministry of National Defense who accompanied the Japanese visitors briefed them of the harm and menace those weapons brought to the Chinese people and the environment. They demanded Japanese diet members to urge the Japanese government to fulfill the promise it made in the Convention on the Banning of Chemical Weapons and the memorandum of the two countries on the destruction of abandoned chemical weapons and completely destroy all the abandoned weapons as early as possible.