1. It can reduce the construction area of the pig house, save the construction land of the pig farm. And reduce the construction investment;

2. Effectively avoid biting, squeezing, and competition between the strong and the weak when feeding the pregnant sow herd, and reduce the risk of miscarriage;

3. According to the growth and development characteristics of pigs, it can be appropriately added or restricted to feed, so as to facilitate the epidemic prevention and disinfection of pigs and improve the efficiency of production management;

4. Reduce interference and improve breeding: It is convenient to observe the estrus period and breeding facilitate insemination or intercourse,and increase the fertilization rate;avoid mutual interference and reduce mechanical abortion;

5.Durable: using hot-dip galvanizing and welding technology, durable, corrosion-resistant, easy to clean;