KR Audio repair

Somebody knows where can I repair a pair of KR Audio Kronzillas on the US?
Thanks in advance.
Call your local fire department and see who they use.  Kidding aside, the circuit is quite simple and most competent techs can service the amps.  Have you tried contacting KR Audio USA
the circuit is quite simple and most competent techs can service the amps.
This is correct. We serviced one about 20 years ago- it was simple and any technician that knows tubes should have no troubles with it.
They are simple, yes, so I'm surprised that anything has gone wrong with them at all. Although, some of the components suffer a bit of abuse re total power throughput.
I’ve tried to contact KR Audio USA, but didn’t get any answer...
I live in Ecuador, and it’s a little mess to send the amps to the US, that’s why I need your recommendstion of a good and honest technician. Shipping both ways will be very expensive...
Thanks again for your help.
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That is not the idea. I want to send my amps to the US, but need you guys to recommend me a very good technician.
You want to work with Renaissance Audio in Ann Arbor, Michigan.  They are the Authorized Service center for KR in US and Canada.  Bradley Smith is who I talk to and he is who introduced me to Eunice Kron who is the actual owner of KR.  Follow the "Contact Us" link at this website.

If you run into any issues PM me and I will send a note to Bradley introducing you.  I sell KR Tubes and have a relationship with KR directly as well.  

You will get no response from the website as it has no affiliation to KR and hasn't been updated in years.   
I am in New Jersey so if you are local or want to ship I can repair offer upgrades, etc.

Happy Listening.