Top three: Yinchuan, Xining, Haikou, Luoyang, Nantong, Changzhou, Xuzhou, Weifang, Zibo, Shaoxing, Wenzhou, Taizhou, Daqing, Anshan, Zhongshan, Zhuhai, Shantou, Jilin and Liuzhou.
The third line: Lhasa, Baoding, Handan, Qinhuangdao, Cangzhou, Dongying, Weihai, Jining, Linyi, Dezhou, Binzhou, Taian, Huzhou, Jiaxing, Jinhua, Taizhou, Zhenjiang, Yancheng, Yangzhou, Guilin, Huizhou, Zhanjiang, Jiangmen, Maoming, Zhuzhou, Yueyang, Hengyang, Baoji, Yichang and Xiangfan.
The third line is weak: Benxi, Dandong, Liaoyang, Jinzhou, Yingkou, Chengde, Langfang, Xingtai, Datong, Yulin, Yan 'an, Tianshui, Kashgar, Shihezi, Nanyang, Puyang, Anyang, Jiaozuo, Xinxiang, Rizhao, Liaocheng, Zaozhuang, Bengbu, Huainan, Maanshan and Lianyungang.
Huaian, Lishui, Quzhou, Jingzhou, Anqing, Jingdezhen, Xinyu, Xiangtan, Changde, Chenzhou, Zhangzhou, Qingyuan, Jieyang, Meizhou, Zhaoqing, Yulin, Beihai, Deyang, Yibin, Zunyi and Dali.
City boundary:
1, first-tier cities
Generally refers to Beijing, Shanghai, Guangzhou and Shenzhen.
A first-tier city refers to a metropolis that plays an important role in national political, economic and other social activities and has the ability to lead and radiate. Mainly reflected in the level of urban development, comprehensive economic strength, radiation-driven ability, attractiveness to talents and so on.
First-tier cities play a leading role in national social activities such as production, service, finance, innovation, circulation and comprehensive business index.
2, second-tier cities
Most of them are provincial capital cities, coastal open cities and economically developed prefecture-level cities in the central and eastern regions.
There are mainly Hangzhou, Nanjing, Jinan, Chongqing, Qingdao, Dalian, Ningbo, Xiamen, Chengdu, Wuhan, Harbin, Shenyang, Xi 'an, Changchun, Changsha, Fuzhou, Nanchang, Hefei, Shijiazhuang, Zhengzhou, Suzhou, Foshan, Dongguan, Wuxi, Yantai and Taiyuan.
3, third-tier cities
Refers to small and medium-sized cities with strategic significance or relatively developed economy.
Third-tier cities can be comprehensively divided according to administrative level, city size, population, economic development level and GDP.
I hope my answer can help you, thank you.