Longchang City, belonging to Neijiang City, Sichuan Province, is located in southeastern Sichuan Province, west-central Sichuan Basin, bounded by the new village town of Carp Bridge and fishing arrows in the town of Sanqing Bridge between. Longchang has a long history and outstanding people, and is known as "the hometown of China's stone tablet", "the hometown of China's ancient rock carvings in Qing Shen" and "the hometown of China's bamboo weaving art". Famous attractions include Guyu Lake and Longchang Stone Tablet Square. Longchang is rich in zejia and sasanqua, and is one of the nationally recognized medicinal material base counties.