Haiyan county. According to the public information of Haiyan Education Bureau in official website, 1039 candidates took the unified examination of Haiyan social work permit in Haiyan Institute of Technology and completed the examination. This is the first time that the unified examination of Haiyan social worker certificate has set up a test center in Haiyan. Haiyan County, which belongs to Jiaxing City, Zhejiang Province, is one of the earliest counties in Zhejiang Province. It was founded in the Qin Dynasty. Haiyan County is located in the northwest of Hangzhou Bay, which is 8 kilometers away from Shanghai1/KLOC-0 and 98 kilometers away from Hangzhou.