Jun 17, 2026

Within the scope of the Motorway Stage 3 Project located on the Krupnik – Kresna highway corridor in Bulgaria, Glassfiber Reinforced Polyester (GRP) pipes are being supplied by Superlit for the sewerage (wastewater) infrastructure of the project.
For the project, DN200 – DN600 – DN1000 – DN1200 diameter GRP pipes produced with Filament Winding (FW) technology, together with the required GRP fittings, have been manufactured and delivered by Superlit.
A total of 870 meters of GRP pipes and fittings are being used within the project, and the installation works are currently ongoing.
With its reliable and high-quality GRP pipeline solutions, Superlit continues to support sustainable infrastructure projects across Europe and around the world.
SUPERLIT is the only pipe manufacturer in Turkey capable of producing glassfiber reinforced polyester (GRP) pipes using three different technologies: 'Continuous Filament Winding', 'Centrifugal Casting', and 'Helical Filament Winding'.
SUPERLIT is a subsidiary of KARAMANCI HOLDING.
