Which line city is Foshan, Guangdong?

Foshan, Guangdong is a secondary city.

The first line is Guangzhou, Guangzhou and Shenzhen, the second line is Hangzhou, Wuhan, Chengdu, Harbin and other central and eastern capital cities, and the third-tier cities refer to small and medium-sized cities with strategic significance or relatively developed or large economic aggregate.

Most of them are regional central cities in the central and eastern provinces, prefecture-level cities with good economic conditions, and top 100 counties in China, including some capital cities in the western region. Most of them have a population of more than one million, have a certain consumption power of residents and have their own comparative advantage industries.