The 2400 sow farm expansion project, invested and constructed by Guangxi Hengxian Zhengyuan Livestock Development Co., Ltd., is located in Maling Town, Hengxian County, Nanning City, Guangxi Zhuang Autonomous Region. The project covers a total area of 10000 square meters, including one breeding house, one delivery house, one conservation house, and one boar house.