What are the pillar industries in Huairen City, Shanxi Province?

1. Coal industry: Huairen is rich in coal resources and is one of the major coal cities in Shanxi Province. Coal industry is the main economic pillar of Huairen City, and it is also one of the most important industries in the city.

2. Ceramic industry: Huairen is one of the important ceramic production bases in China with a long history and rich ceramic resources. Ceramic industry is one of the traditional industries and pillar industries in Huairen County.

3. Animal husbandry: Huairen City is rich in grassland resources and is one of the largest animal husbandry cities in Shanxi Province. Animal husbandry is one of the important industries in Huairen, and it is also one of the main sources of farmers' income in this city.