The German part is probably a mistake because I thought it was about this company: https://www.anker.net/

ANKER Solutions GmbH is a 140-year-old German company, but it is not ANKER SOLIX

https://www.ankersolix.com/de/imprint

I think Anker is the company for you. Based in England and Germany.

https://www.anker.com/eu-de/collections/wandladegerate

There is an industry search engine wlw.de (who supplies what) in which you can search for manufacturers of mirrors. Here is the search query for manufacturers from Germany.

It still seems to be a primarily Schweitzer AG in free float. Who owns Nestle (german)