ePUB 3 format for distribution in mainland China. Compatibility for various platforms and e-reader devices and apps was most important as well as support for Traditional Chinese characters.
Do not include any of the following files when packaging into an ePub: ▪ README.md ▪ LICENSE - Any files with .epub extension
The following files must be included in the final ePub package: ▪ mimetype ▪ content.opf ▾ META-INF/ ▪ container.xml