I have no link to this device. And very little information.
Someone has an American patent on something like it.
Canadian coaches saw one in China. I assume this is it:

photo source unknown
Over 30 years ago I saw a similar device at University of Alberta in Edmonton. A number of coaches are talking about reintroducing the idea.
Leave a comment below if you know more.
UPDATE: I have emailed Inspire Sports. George thinks that distributor is bringing them in to North America from China.

Yup. Coach Liang Cheng from Edmonton, Canada confirms the Chinese Circle Machine is available and that 5 clubs in Canada are already using them. Good reviews, so far. If you want more information email Liang Cheng.
