What is the relationship and difference between Angang Group and Angang Steel, and which company does the cold rolling plant belong to?

Angang Group is the parent company of Angang Holding Company, and there is a parent-subsidiary relationship between them. Angang Steel is a company after the listing of high-quality assets of Angang Group. It was originally called Angang New Rolling. Later, the whole asset listing process was followed, and part of the assets of the Group were injected into listed companies, becoming Anshan Iron and Steel Co., Ltd. now, and the cold rolling mill belongs to a joint-stock company. Generally speaking, the enterprises of joint-stock companies are core enterprises (except Bayuquan), or the shares are better.