Nanyuan Baidu map shows that Lance Technology (Nanyuan) is located in the northwest of the intersection of Liu Chong Road and Xiangtai Road in Liuyang City, Changsha City, and Xi Du is located in Hengyang County, Hengyang City. The distance from Nanyuan to Xi Du is 228.9 kilometers, and the driving time is 2 hours and 44 minutes. Xi Du Town is a town under the jurisdiction of Hengyang County, Hengyang City, Hunan Province, located in the southeast of Hengyang County, where the county seat is located. It is adjacent to Qiaoshan Town and Zhangshu Town in the east, Tangsan Town and Tanzishan Town in Hengnan County in the south, Xianshan Township and Yanbei Town in the west, and Bilan Township and Taiyuan Town in the north.