Where to repair socket G34 in Moscow?

Question

motherboards

Greetings!
I got a server for personal use, the previous owners of which treated it extremely carelessly and broke pins in two of the four sockets, 15-20 pieces in each, not counting the jammed ones. In general, the piece of iron works and all the processors hold the load quite stably, but one socket does not see the memory in its slots, and in general it is calmer when all the pins are in place.
https://www.supermicro.com/Aplus/motherboard/Opter...
The motherboard is installed like this.
Please advise an adequate service in Moscow, where they can qualitatively replace or at least restore sockets.
Thank you in advance.