- Quality management systems in accordance with ISO 9001:20155

- Environmental management systems in accordance with ISO 14001:2015

- Occupational health and safety management in accordance with ISO 45001:2018

- Polyester pipes and fittings for drainage and sewerage in accordance with DIN 16868-1; DIN 16868-2; EN 14364

- Polyester pipes and couplings for water supply in accordance with EN 1796

- Polyester pipes and couplings for drainage and sewerage in accordance with EN 14364

- Polyester inspection chambers (manholes) in accordance with EN 15383

- Polyester piping systems for drainage and sewerage in accordance with EN 14364

- Polyester inspection chambers in accordance with EN 15383

- Polyester storage tanks for potable and technical water in accordance with EN 1796; EN14364; EN976-1

- Polyester pipes for potable water in accordance with The Rulebook on Health Safety of Materials and Objects in Direct Contact with Food and Water for Human Consumption Act.

- High-pressure jetting resistance in accordance with DIN 19523

- Abrasion resistance of pipes in accordance with DIN EN 295-3

- Polyester pipes with high stiffness class in accordance with ISO 7685

The certificates are available upon request.