The rigorous design of the ventilation scheme, equipped with the Big Herdsman series of fans, solves the ventilation problem. After repeated trials and studies, the unique angle design of the Big Herdsman feed delivery system minimizes tube wear and extends the life of the line. The professionally designed pig pen equipment meets the size requirements of different breeds of pigs, allowing them to grow in a safer and more reliable environment. The rigorous design of the ventilation scheme, equipped with the Big Herdsman series of fans, solves the ventilation problem. After repeated trials and studies, the unique angle design of the Big Herdsman feed delivery system minimizes tube wear and extends the life of the line. The professionally designed pig pen equipment meets the size requirements of different breeds of pigs, allowing them to grow in a safer and more reliable environment. The rigorous design of the ventilation scheme, equipped with the Big Herdsman series of fans, solves the ventilation problem. After repeated trials and studies, the unique angle design of the Big Herdsman feed delivery system minimizes tube wear and extends the life of the line. The professionally designed pig pen equipment meets the size requirements of different breeds of pigs, allowing them to grow in a safer and more reliable environment.