That's strange. Perhaps after your earlier questions, they thought you were a spy from Sato!
I don't think they were made under licence in Florida; I think they were imported Chinese copies. Here are the exact same items (even down to the same photos) direct from China for only C$220 with free shipping.
http://www.ebay.ca/itm/182386662912
Chinese rearsets...
Florida rearsets...
Tempting at that price! But note from the photo that the brake light switch wiring is bare; you'd have to add your own plug.
Let us know what you eventually go for.