HDPE large diameter pipes

HDPE large diameter local manufacturer
Dear Sir/Madam

For a water supply project in Turkey , we as offshore constructor company , look for existing local supplier/manufacturer of HDPE pipe 1600mm.
Total length aprox 80-100km, delivery potential for much of quantity till next year spring-summer.
Pls contact me asap for clarification, intention and whole scope of works.
Attached you can find a technical specification of our research.
Tks

[File attached]