Hi, you can just use a standard WIN 10 USB drive. Just create one with the RUFUS tool according your preferences. Missing driver you can find with DRIVEREASY for example.
EDIT: Just tried the last driver links in this thread: work fine!
https://forum.chuwi.com/t/request-files-for-reinstallation-chuwi-hi12-z8300/5417/17?u=stesofeu
https://forum.chuwi.com/t/request-files-for-reinstallation-chuwi-hi12-z8300/5417/21?u=stesofeu