Fosite supplies dependable hdpe duct solutions for telecom, transportation and industrial‑park buyers across worldwide markets. Drawing on over 30‑years plastic‑pipe manufacturing experience, every HDPE duct undergoes dimension inspection, impact‑resistance testing and PE raw‑material verification before shipment. Available specifications cover mainstream cable‑protection diameters complying with ISO and GB standards. The factory supports bulk wholesale plus OEM custom‑dimension adjustment for telecom contractors, road‑builders and industrial‑park procurement‑demands.