stamping galvanized tube for Poultry feeding systems Diametre: 45mm,44.5mm, 25mm, 26.7mm, 60mm Thickness: 0 ... .9mm to 2.0mm Stamping galvanized steel pipe for Poultry feeding systems Our company was established in 1999, mainly produces high ... is mainly used in Poultry feeding systems:Standard: GB, DIN, ASTM.Certification: SGS, ISO9001Surface Treatment: Pre-Galvanized.Section Shape: Round.Size: Φ ...