Color: Grey, white and and other colors available upon requests. Dimension: D20, 25, 32, 40, 50, 63, 75, 90, 110, 125, 140, 160, 180, 200, 225, 250, 280, 315, 355, 400, 450, 500, 560, 630, 710, 800mm.

Advantage: Corruption resistance, anti-high pressure, strong impact, long life usage, indoor use for 50 years, outdoor use for 30 years, rustless with environment friendly protection.

Application
Water works, electrical engineering, construction, sewage works, power lines hero, drilling engineering, salt water works, gas works, chemical factories, paper-factory, brewing fermentation factories, electroplating factories, agricultural park, coal mines, aquaculture, high-speed Highway project, golf course projects, fishing with plastic raft.