There are some devices using in the parks:
PS4
Oculus Rift CV1
HTC Vive
HTC Vive VR cube (for one or two persons)
Samsung GearVR 2 + Samsung S6
VR Autosimulator, SKALA and Paraplane VR
You can also watch the video to see how it works - https://www.youtube.com/watch?v=YlMLBxArxWc
I need to consult my colleagues to give you an answer. I will return later and comment on this.
Everything I know is that equipment rent is possible
Some devices from Samsung, Homido, HTC and Fibrum are already availiable to buy at the park's territory
A little refinement:
There's a partnership with this companies
the main product is HTC Vive