RVSM flight crew training

but haven't you already asked this question to the CAA?
The only thing I can think about if they have set this condition is that the new aircraft technically, from the RVSM point of view, is different from the previous one.

CAA said, that Phenom is a new type in our fleet and due to we have to do Rvsm flight training before Rvsm approval granting. Unfotunately, I cannot find requirements in Subpart SPA.RVSM which prescribes flight training....only ground training is required. Maybe Rvsm ops is a part of type rating course.....

Well, you are completely right, but you need to give some evidence that your pilots have received RVSM training once in their pilot's life and stay current with the latest regulations in the future. Experience is not really considered. Usually, it is done during the type rating, but then you need to have it signed off with a certificate you can show.
If not handy, do your RVSM training according your OM-D or go to an online training provider and simply do the training for 30 Euros per pilot. And done... Remember to add this provider as a training provider to your RVSM training in your OM-D if not done yet.

SPA.RVSM.105 (c) requires a training programme for flight crew members involved in RVSM operations.
AMC1 SPA.RVSM.105 (c) clearly states that this is achieved by incorporating the training items related to RVSM in the initial and recurrent training.
For operations in the EUR region, the training items should be based on EUR Doc 009 Part 6 and 9 and incorporated into initial and recurrent flight crew training and area qualifications. There is no explicit requirement for a dedicated RVSM flying training the way I read it.

Thank you for your comments, we will negotiate it with our CAA.