Nodular cast iron sow slat floor 1.strong anticorrosion 2.Thickening floor,strong weight capacity 3.Efficient leak dung Nodular cast iron Leak dung sow slat floor1 ... resistant ability and rigidity, not easy to break.2.Nodular cast iron products in our company use aluminum film epoxy resin sand ... of 43.6*60cm,43.6*75cm,30*60cm Nodular cast iron sow slat floor