For your convenience in choosing a manufacturer, Company "Inrusstrade" has conducted an independent examination of polypropylene pipes and fittings for domestic sewage systems.
The examination was conducted by the Research Institute of Moscow Construction "NIIMosstroy".
Samples of manufacturing plants were provided: Ostendorf; RosTurPlast; SINIKON; POLITECH; DIGOR; POLITRON.
The results of the examination you can see here.
With respect to you and your business, Company "Inrusstrade"