References
More than 30 years of tradition in the producing of pre-insulated pipes.
The following is an overview of the main projects realized and their locations:
| Year | Place | Detail |
| 2019-1998 | Praha, Czech Republic | DN700-DN20, přes 600 km |
| 2019-1998 | Mladá Boleslav, Czech Republic | DN500-DN32, přes 40 km |
| 2019-2011 | Hradec Králové and Pardubice, Czech Republic | DN600-DN25, 29 km |
| 2019-2011 | Most, Czech Republic | DN600-DN40, 18 km |
| 2019-2011 | Přerov, Czech Republic | DN500-DN32, 12 km |
| 2019-2017 | Nitra, Slovak Republic | DN600-DN65, 19 km |
| 2019 | Žilina, Slovak Republic | DN400-DN350, 6 km |
| 2018-2017 | Košice, Slovak Republic | DN200-DN40, 5 km |
| 2018 | Detva, Slovak Republic | DN200-DN32, 5 km |
| 2016 | Galanta, Slovak Republic | DN250-DN50, 7 km |
| 2011-2004 | Martin and Trnava, Slovak Republic | DN500-DN20, 51 km |
| 2019-2005 | Bělehrad and Novi Sad, Serbia | DN600-DN50, přes 120 km |
| 2018 | Baroševac, Serbia | DN200-DN100, 4 km |
| 2015 | Srbobran, Serbia | DN200-DN100, 2 km |
| 2011 | Bački Petrovac, Serbia | DN125-DN63, 2 km |
| 2019-2010 | Prishtina, Kosovo | DN200-DN25, 5 km |
| 2016 | Wodzislaw, Poland | DN80-DN25, 2 km |
| 2014 | Semianowice, Poland | DN350, 2 km |
| 2014 | Rybnik, Poland | DN150-DN32, 3 km |
| 2013 | Bytom, Poland | DN200-DN32, 10 km |
| 2013 | Žory, Poland | DN200-DN32, 4 km |
| 2014-2011 | PEC Jastrzębie Zdrój, Poland | DN 300-DN40, 8 km |
| 2019 | Griffen, Austria | DN100-DN25, 3km |
| 2018 | Ferlach, Austria | DN150-DN50, 5 km |
| 2009-2006 | Pöllau, Austria | DN200-DN50, 21 km |
| 2019-2016 | London and surroundings, Great Britain | DN450-DN150, 5 km |
| 2019-2015 | Cranbrook – Monkerton, Great Britain | DN200, 3,5m |
| 2018 | Nicosia, Cyprus | DN500, 1 km |
| 2014 | Limassol, Cyprus | DN300-DN80, 2 km |
| 2015 | Creutzwald, France | DN300-DN125, 27 km |
| 2013 | Gross Breitenbach, Germany | DN125, 2 km |
| 2012 | Parmen, Germany | DN125-DN25, 22 km |
| 2007-2003 | Cassaleto, Italy | DN500-DN20, 22 km |
References in details and recommendation letters as part of the tender proceedings available on request.