Multi-storey sow building project, as the first phase project of Guoyuan million pigs production base, the equipment installation is closed to the end. The project takes the production auxiliary building as the hub and four pig houses as the branches, which keeps 10000 PS + 1200 GP / GGP sows. It plans to provide 250000 weaned piglets every year after being put into operation. The project covers an area of 61000 m2 which save land for live. As the equipment supplier, Big Herdsman is responsible for the early architectural and structural design, integrating the most advanced building thermal climate and ventilation control technology, automatic remote technology system, automatic feeding system and exhaust air purification system.