Chapter 204: Treating Diseases with a Mirror (3)_1

She had looked into some materials, and found that mercury was extremely rare and precious during this era, whereas although aluminum ore was also not abundant, it was more plentiful and cheaper than mercury.

A few days ago, when Big Brother Luo was leaving, she mentioned the matter of making mirrors to him, so that no one would suspect it had anything to do with her.

Indeed, everyone had not the slightest doubt, since Apricot Forest Hall had branches all over the world, so it was very normal for Young Master Luo to know about it.

As for the true state of affairs, Long Xuanmo was crystal clear in his mind, but he did not publicly reveal it, merely looking at his Ah Jiu with eyes full of pride and tenderness.