26.96 kilometers, Caozili Town, belonging to wuqing district, Tianjin, is located in the northeast of Wuqing City, bordering Dahuangbao Township and Shangmatai Town in the east, Meichang Town in the south, Xuguantun Street in the west and Dajianchang Town in the north. Town People's Government is 6 kilometers away from Yangcun, 25 kilometers away from Tianjin and 70 kilometers away from Beijing, with a total area of 56.08 square kilometers [4].