The home of the
They have an Amazon.com page and I purchased a drawing table from them via Amazon.
Name: Unknown tablet device
Not only HUION is using this VID for tablets. E.g. Gaomon does, too. I would think it is some IC manufacturer selling tablet ICs to several manufacturers.
Name: Huion / Gaomon
Note: It is known that Huion and Gaomon tablets share the same hardware