I'm seeing the same thing on the Samsung 980 Pro - whether new (sold by Amazon) or "used-like new" (sold by Amazon Warehouse)
A few other things I've bought recently also say "Mila AG" on the order summary, but the final invoice PDF always shows Amazon EU Sarl
A few other things I've bought recently also say "Mila AG" on the order summary, but the final invoice PDF always shows Amazon EU Sarl