Neijiang, located in the southeast of Sichuan Province, governs Shizhong District, Dongxing District, Longchang County, Zizhong County and Weiyuan County, covering an area of 5386 square kilometers, with a total population of 4.2 million.Neijiang has prominent traffic location advantages, and is an important intersection of transportation in southeast Sichuan and even southwest provinces.Chengdu Chongqing Railway, Neijiang Kunming Railway, Longchang Luzhou Railway and three expressways, namely Chengdu Chongqing, Neijiang Yibin and Longchang Najiang, are the second largest transportation hub in Sichuan Province after Chengdu.Neijiang has obvious advantages in energy communication. Its installed power generation capacity is 1.3 million kilowatts, and its natural gas reserves are rich. Posts and telecommunications are one of the most developed cities in the western region, and it is an important relay station connecting Chengdu relay station in Sichuan to southeast Sichuan and Chongqing.Neijiang is a national pilot city for optimizing capital structure