SHANGHAI - The Three-Body Problem, a sci-fi magnum opus by Liu Cixin, will enjoy "limitless" investment in its movie adaptation project, its production company said Tuesday.

The widely-anticipated film adaptation will be loyal to the original story while placing no upper limit on investment, Wang Changtian, chairman of Beijing Enlight Media Co Ltd, said at a forum during the 26th Shanghai International Film Festival (SIFF).

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It was previously announced during the SIFF that acclaimed Chinese director Zhang Yimou will lead the film adaptation of The Three-Body Problem, considered a milestone in Chinese sci-fi literature.

Zhao Jilong, CEO of the copyright holder Three-Body Universe Cultural Development Co Ltd, expressed hope that the project could eventually produce a movie series

Wang said the company had discussed the project with Zhang for many years before he finally agreed to join.

Zhao Jilong, CEO of the copyright holder Three-Body Universe Cultural Development Co Ltd, expressed hope that the project could eventually produce a movie series.

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The film adaptation will be jointly developed by Beijing Enlight Media and Three-Body Universe, which manages the copyright of The Three-Body Problem, except for the original book publication.

Hugo Award winner Liu Cixin's sci-fi trilogy The Three-Body Problem has been translated into more than 30 languages. It was previously adapted into animation, television and radio dramas.

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Zhang, who is now in his 70s, has won dozens of awards around the world. His directorial works include Red Sorghum, Hero and The Great Wall.