... .equipt with SS pig feeder Sow Farrowing crate Advantages:1.Overall hot-dip galvanized GB one inch pipe,strong anticorrosion,no ... rust,never sealing-off; As we do overall hot galvanized processing after welding,thus make the pipe more ... antirust,anticorrosion,keep feed hygeian,also easy to clean.Specification: Overall size1.8*2.4/unit(one sow position) Tube sizeGB ...