大有能源：义海能源本次质押股份6000万股

Group 1 - The core point of the article is that Dayou Energy has announced a significant share pledge by its major shareholder, Yimai Coal Industry Group's subsidiary, Yihai Energy, which holds 22.69% of the company's total shares [1] - Yihai Energy has pledged 60,000,000 shares, bringing the total pledged shares to 261,000,000, which represents 48.11% of its holdings and 10.92% of the total shares of Dayou Energy [1] - As of the announcement, Dayou Energy's market capitalization is 26.7 billion yuan [1] Group 2 - For the fiscal year 2024, Dayou Energy's revenue composition is projected to be 90.98% from coal mining and 9.02% from other businesses [1]