... design pig farrowing pen 2.hot galvanized,anti-corrosion 3.strong compression resistance 4.easy to install and clean gestation ... sow stall With stainless steel feeder Advantages: 1.Overall hot-dip galvanized GB one inch pipe,strong anticorrosion,no rust ... Good PVC fence around,smooth and easy to clean,together with strong stents,beams and legs,make contribution to make super farrowing ...