You can rent the official version directly through YouTube. Technical Specs to Look For
When Ne Zha hit theaters in 2019, it didn't just succeed; it shattered expectations. It became the highest-grossing non-English animated film in history and proved that Chinese animation (Donghua) could compete with the likes of Pixar and DreamWorks in terms of both visual spectacle and emotional depth. Why Everyone Is Looking for It Nezha.Birth.of.the.Demon.Child.2019.WEB-DL.1080... LINK
5.1 Surround Sound (the sound design during the elemental battles is incredible). You can rent the official version directly through YouTube