The VRX is manufactured by Lenovo.  

Main Product Webpage:

https://smartsupport.lenovo.com/us/en/products/smart/arvr/thinkreality-vrx

Lenovo's How To Page:
https://smartsupport.lenovo.com/us/en/products/smart/arvr/thinkreality-vrx/solutions/HT515273 

Guides and Manual Links:
https://smartsupport.lenovo.com/us/en/products/smart/arvr/thinkreality-vrx/document-userguide/doc_userguide