Third-tier cities. According to the "City Business Charm Ranking" released by the New First-tier Cities Research Institute on June 1, 2023, there are 70 third-tier cities, including: Zhanjiang, Liuzhou, Anqing, Suqian, Zhaoqing, Zhoukou, Xingtai, etc., among which Including Suqian, so Suqian is a third-tier city.

Characteristics of third-tier cities: Most of the non-agricultural population in central urban areas is more than 1 million; urban infrastructure, commercial supporting facilities and transportation facilities are relatively complete; residents have a certain spending power; residents’ living standards are generally relatively Relatively wealthy; the city has certain pillar industries and its industrial structure is relatively reasonable.