Hello Hal,
the final request from DeAgostini was to have an interface allowing to connect the original electronics to any kind of transmitter (and not just the original custom one), and not to replace the whole set with a new single board.
Therefore Ivano just designed a custom interface board for such purpose and sold them the project.
Production will be in China, but it will be DeA's responsibility.
My suggestion anyway is to replace the proposed electronics with a multi-function board of any kind among the available ones.
BTW looks like the kit is selling very well, after some initial trouble due to the lowered value of the Ruble.