Transactions during a five-day animation copyright fair in Dongguan, Guangdong province, reached 3.46 billion yuan ($520 million), according to the organizers.

A total of 503 domestic and overseas companies displayed innovative animation products and copyrights during the annual China International Animation Copyright Fair, which concluded on Monday in Dongguan, a major manufacturing hub in the Pearl River Delta.

"Protection of copyrights is of great importance to a healthy development of the animation industry," said Zhang Tongying, director of the copyright administration of the Guangdong Provincial Administration of Press, Publication, Radio, Film and Television.

More than 500 copyright certificates were awarded to animation companies during the fair, according to the organizers.