Sandozai Town, belonging to Daan District, Zigong City, Sichuan Province, is located in the northeastern part of Daan District, east of the town of He Shi, south of the town of Xian Shi, Yantan District, west of the town of Dashanpu, north of Jinghe Town, Weiyuan County, Lingjia Town, Neijiang City, Neijiang City, the Central District. It is 13.1 kilometers away from the district government. The total area of the administrative region is 41.29 square kilometers. As of the end of 2019, the registered population of Sandozhai Township was 31,253. In 1691, it belonged to the lower north road of Fuyi Township, Fushun County.In 1949, it was set up as Sanlu Township.In August 1995, it was changed to Sandozhai Township.On April 17, 2001, Yuanyang Township was annexed to it. As of June 2020, Sandozai Township has 1 community and 10 administrative villages under its jurisdiction, and the township people's government is stationed at No.1 Daliushu. At the end of 2011, the per capita net income of farmers in Sandozai Township was RMB 2,200 yuan.In 2019, there are 8 industrial enterprises in Sandozai Township, including 2 industrial enterprises above the scale, and there are 35 comprehensive stores or supermarkets with business area of more than 50 square meters.