What are Gansai Paints?

hello! I genuinely hope this video is useful to someone, I know I didn't cover everything, but I covered everything I know, and then some, so that's something.

‪@kaitekiart7666‬
a video from them I recommend    • 下描きなしで日本画を描いてみたら…🌷Piano BGM🎹 | Flower...  

the single source I was able to find with anything new to say, someone better at research could probably find more.
https://www.jcccw.org/nikkei-news/202...

art supplies featured in this video
Kuretake Gansai Tambi paints 48 set
Kuretake Gansai Tambi art nouvou set
Kuretake Gansai Tambi graphite set
Boku-Undo shadow set 1
Boku-Undo shadow set 2
Stonehenge hotpress watercolor paper