5. April 2018
Exhibition IFAT 14-18.8. Munich, Germany
14. March 2018
EXhibition Ecology of big city, 21.-23.3.2018St.Perterburg, Russia
19. December 2017
PF 2018
18. August 2017
Exhibition Powtech 2017,Nuremberg,Germany 26.-28.9.2017
26. April 2017
Waste-Tech 2017, 6.-8.6.2017 Moscow, Russia
22. April 2017
SU ARNASY- Water Expo Central Asia 2017- 31.5.-2.6.2017, Astana, Kazakhstan
21. April 2017
20.th Water Management Exhibition WATER SUPPLYSEWERAGE 2017, 23.-25.5.2017 Prague, Czech republic
3. April 2017
Ecology of Big City, Saint Petersburg, Rossia, 5.-8.4.2017
10. February 2017
XII. international scientific-practical conference Yaremche, Ukraine 6.-11.2.2017
13. December 2016
PF 2017 Happy New Year