云煤能源：11月21日召开董事会会议

Group 1 - The core point of the article is that Yunmei Energy has held a temporary board meeting where a proposal to amend the company's board authorization management measures was approved unanimously [1] - Yunmei Energy's revenue composition for the year 2024 is as follows: coal coking accounts for 95.94%, equipment manufacturing for 2.87%, other businesses for 1.09%, and engineering construction for 0.1% [1] - As of the report, Yunmei Energy has a market capitalization of 4.7 billion yuan [1]