Request for Proposals No. 4661520  Add to Favorites Зарегистрируйтесь, чтобы сохранять процедуры в Избранное Remove from Favorites

rendering of services for chemical flushing of water-water heaters at central heating points (TSTP) and group boilers (GB) for the needs of Balakovo heating networks of the Saratov Branch of PJSC T Plus