About Xindak, I did own an integrated a few years ago. It was ok but not great. Sounded like most other chinese integrateds out there, not very detailed. It is of course nowhere near as refined as an Ayon product as the low price would suggest. I got rid of the Xindak after 6 months as I just could not make the sound work for me, no matter how hard I tried. Furthermore, and I wish I had a polite way to say this - looks count for me - and Xindac designs are pretty ugly in my own very subjective opinion. Sorry to call a cat a cat.
Just to set the record straight about Ayon, they do make great gear - just not impressed with their lack of info on product origin and company info.