ZR1 ECM remanufacture

[corvette.zr1]

Hello I am Raimund from Germany,

and drive a 1991 ZR-1 and I make a little support for other German ZR-1 owners

Is this a respectable company to remanufacture of ECM for the ZR-1

http://www.autotechmicro.com/

Has someone good experience with the company ?
The price for R&R by autotechmicro is $ 220 - $ 275 and $48 for shipping to Germany

I have two ZR-1 ECM 1228331 + 16163993 for remanufacture
( loss of serial Data communication )
from other ZR-1 owners in Germany
the have now reserve ECM from me in his ZR1

Or have someone other addresses for make a good job to remanufacture ZR-1 ECMs ?
I hope you understand my bad english

Greetings

Raimund