They make super, uber high quality brake fluid! It is used in F1 and other racing championships.
Just bcs. they make high quality brake fluid doesn’t mean they will make oil if similar quality, but considering their products I would trust it.
New to me.
The US website seems to have a little more info on the motor oils-
three viscosities for each series.
RM series - Base oil/100% chemosynthesis oil
CS Series - Base oil/100% synthetic oil
CP series - Base oil/ VHVI oil