چین Gi Pipe لوله فولادی پیش گالوانیزه Q345 / تولید کنندگان و تامین
The product description: Product name Galvanized Steel Pipe Wall Thickness 0.6mm–20mm Length 1–14mAccording to customer requirements … Outer Diameter 1/2''(21.3mm)—16''(406.4mm) Tolerance Tolerance based on Thickness:±5~±8% ;According to customers requires . ...