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Japan won five silver and one bronze at the worlds.

"It's very dangerous for our gymnasts to regard themselves as indisputable number one in the Asiad gymnastics competition," Zhang Peiwen told Xinhua news agency.

"Of course we presented a very good performance in Arhus. We beat Olympic champions Japan for the men's team title, and unfortunately Japanese failed to make a single gold. But that might be the very impetus for them to stage a big comeback.

"They have the strength, the technique and the determination to do so, especially on men's team competition and individual all-around."