stamping galvanized tube for Poultry feeding systems Diametre: 45mm,44.5mm, 25mm, 26.7mm, ... Thickness: 0.9mm to 2.0mm Stamping galvanized steel pipe for Poultry feeding systems Our company was established in 1999, mainly ... high - frequency welding pipes and stamping steel pipe, stamping steel tube is mainly used in Poultry feeding systems:Standard: GB, DIN ...