... .7mm, 60mm Thickness: 0.9mm to 2.0mm Poultry farming mechanical ingredients galvanized pipe Our company was established in 1999, mainly ... : Standard: GB, DIN, ASTM.Certification: SGS, ISO9001Surface Treatment: Galvanized.Section Shape: Round.Size: Φ45mm,Φ44.5mm, Φ25mm, Φ26.7mm, Φ60mm or ...