Japan's biggest concern -- and provide data," said Nobuyori Kodaira, head of Japan's Agency for Natural Resources and Energy. "The Chinese side told us that they were taking full note of Japan's concern, and therefore we will continue to talk with China on this issue." China and Japan are the world's second- and third-largest oil consumers and have said they are committed to the natural gas talks, but traded accusations last week ahead of the two-day meeting in Beijing. Chinese Vice Premier Wu Yi last week cancelled a meeting with Japanese Prime Minister Junichiro Koizumi and ended a visit to Japan a day early, with China upset at his refusal to stop visits to a controversial war shrine. The East China Sea dispute is just one of several irritants in relations between the Asian heavyweights. --More 1119 Local Time 0819 GMT
