«Reconstruction of TM-23 in Astana (Construction of the 2Du1000 mm heating main on Kravtsov St. from NS No. 6 to the junction with TM-26 on Balkashinsky St.)» 2015-2017

«Reconstruction of TM-23 in Astana (Construction of the 2Du1000 mm heating main on Kravtsov St. from NS No. 6 to the junction with TM-26 on Balkashinsky St.)» 2015-2017