Introduction to Yanting: Yanting County is located in the southeast of Mianyang City. It is part of the ancient Shu Kingdom, and is also the salt field resident of the ancient Shu Kingdom. In ancient times, it was called "Yu Ting" and "Qin Ting". Due to the multi-salt wells in the territory, the salt brine produced a rich name for the salt pavilion. The county has a total area of ​​1647.6 square kilometers, 600,000 mu of cultivated land, and 620,000 people. There are ethnic minorities such as Hui, Mongolia, Yi and Tibetan. The county is 1,645 square kilometers. It includes 1 industrial park, 36 townships (including 1 ethnic township), and 620,000 people. The city is located in Yunxi Town, with a planned area of ​​68 square kilometers, a built-up city of 18 square kilometers, and a permanent residence of 110,000. Yanting is the human ancestor of the Chinese nation - Xuanyuan Huangdi Yuanxiao - the birth and burial place of the ancestors is the first "national green model county", but also the "national grain-producing county" and "national pigs transferred out "County", "National Rural Traditional Chinese Medicine Work Advanced County", "Sichuan Province Modern Animal Husbandry Key County", "2013 Provincial New Rural Construction into a Demonstration County".