MDC & IBT Group have just finished the design, preparation of production, and building first rail passenger coach interior of project Sokol. 
It's one of our numerous projects of the interior of passenger rail coaches, tram interiors, cabins, loco cabins/drivers desks, or toilet cabins/toilet systems (Trainvac based). We have been doing such work for more 20th years. 
You can see more information here https://www.igortelychko.com.