Yongcheng city Dongcheng District Mangdang Road South Section Talent Exchange Center. According to official website of yongcheng city Education Bureau, as of August 2, 2023, the subject of the "Three Supports and One Support" examination is public basic knowledge, and the examination place is the talent exchange center in the south section of Mangdang Road, Dongcheng District, yongcheng city. "Three Supports and One Support" is a policy implemented by graduates at the grassroots level, which means that after graduation, college students go to the rural grassroots level to engage in supporting agriculture, teaching, helping doctors and helping the poor.