I can agree with 14.5%. It's surprising for their volume, but then again the new MIC Model Y is at 30% being cheaper than the Nio with FSD chip already built in.Whatever the Chinese government says they do?
In all seriousness, they are a government sponsored/supported company, and China won't let them fail because they want to be in that market in the future.
If you believe the financials, they say they had 14.5% margin on their cars in Q3:
https://ir.nio.com/static-files/39d3112f-3cb4-4ed5-aade-b040b368719a
But yeah there's always that potential of someone cooking the books as I don't know how hard they audit the reports.