国城矿业：12月15日召开董事会会议

Group 1 - The core point of the article is that Guocheng Mining announced the postponement of its eighth extraordinary shareholders' meeting scheduled for 2025, as discussed in the board meeting held on December 15, 2025 [1] - For the first half of 2025, Guocheng Mining's revenue composition is as follows: chemical manufacturing accounts for 65.64%, non-ferrous metal mining and selection accounts for 34.13%, and others account for 0.23% [1] - As of the report date, Guocheng Mining has a market capitalization of 27.3 billion yuan [2]