WHY THIS NAME, YY VERTICAL ?
The first Y refers to Alex family name “Yang” and the second one refers to the location of our company :
Grenoble lies in the middle of three valleys which are formed by 3 mountain chains of Chartreuse, Belledonne and Vercors.
If you have a look on the map you can see that the form of the valleys is an Y.
And the “Vertical” is the connection to world of climbing.