18-45 years old. According to the recruitment requirements of thermos at the bottom of the building, it can be obtained: men and women are not limited to 18-45 years old. Loudi Town, belonging to Luancheng District, Shijiazhuang City, Hebei Province, is located in the north of Luancheng District, adjacent to Yima Town in the east, Yehe Town in the south, Sijiazhuang Town in Luquan District in the west and Fangcun Town in Yuhua District in the north, with an administrative area of 31.42 square kilometers.