At present, among the backward production capacity eliminated by the state, there are rolling mills. It is stipulated that some old-fashioned rolling mills with high energy consumption, low output and backward product quality, such as strip mills, belong to low-yield small steel mills, and their production capacity cannot be increased within three years, and they will be gradually introduced into their respective industries.

Specifically, you can check the recent national policy documents, which are getting stricter and stricter.