According to relevant information, the query shows that it is not. According to the relevant regulations of our country, the affairs center is mainly divided into three categories: administration, public welfare and service. Administrative category is divided into civil servants, public welfare category is full financial supply, and service category is financial self-sufficiency or supporting part. The dike engineering service center in Chaoyang District of Shantou City is a self-sufficient part of the national supporting finance, so the dike engineering service center in Chaoyang District of Shantou City belongs to the service category, not the public welfare category.