It's the same with Qshave. They list their blades as "Made in USA" so either Personna is making private label blades or there's another blade plant somewhere.
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I doubt Personna (which is just branding; the actual name of the company is Accutec) is making these. For one, Accutec's DE blades cannot in any way be described as "mild". For two, I would guess they maybe don't do private labeling there. Battle Brothers has been asking them to source their private label blades but last I heard (they posted here about it awhile back) Accutec doesn't want their business.