Private enterprises. According to the inquiry, Mu Yuan Group was established on 1992, with pig breeding as its core business (the annual demand for pigs in China market is about 700 million, and the scale of pig market exceeds one trillion, and it adheres to the "all-autotrophic, large-scale and integrated" breeding mode. It has more than 50 subsidiaries in 18 provinces across the country, with more than 50,000 employees and its Muyuan shares.