stamping galvanized tube for Poultry feeding systems Diametre: 45mm,44.5mm, 25mm, 26.7mm, 60mm Thickness: 0.9mm to 2. ... : SGS, ISO9001Surface Treatment: Pre-Galvanized.Section Shape: Round.Size: Φ45mm,Φ44.5mm, Φ25mm, Φ26.7mm, Φ60mm or according customer request.Thickness ...