![](en/imgv/20230317_krv_logo.4271.3795.jpg)
KRV Fachverband der Kunststoffrohrindustrie
(Trade association of the plastic pipe industry) As a member of KRV, our common goal is to maintain the highest quality in production and processing.
krv.de
(Trade association of the plastic pipe industry) As a member of KRV, our common goal is to maintain the highest quality in production and processing.
krv.de
![](en/imgv/20230317_teppfa_logo.4272.3796.jpg)
Teppfa (The European Plastic Pipes and Fittings Association)
www.teppfa.eu
www.teppfa.eu
![](en/imgv/20230317_dvgw_logo.4273.3796.jpg)
DVGW Deutscher Verein des Gas- und Wasserfaches e.V.
(German Association of the Gas and Water Industry)
DVGW.de
(German Association of the Gas and Water Industry)
DVGW.de
![](en/imgv/20230317_dincertco_logo.4274.3796.jpg)
DIN CERTCO (TÜV Rheinland)
dincertco.de
dincertco.de
![](en/imgv/20230317_polysax_logo.4275.3796.jpg)
Polysax Certified training and competence center in the plastics sector
polysax.de
polysax.de
![](en/imgv/20230317_WIN_logo.4287.3797.jpg)
WIN Wirtschaftsinitiative Sächsische Schweiz e.V.
www.win-saechsische-schweiz.de
www.win-saechsische-schweiz.de