开山股份：10月27日召开董事会会议

Group 1 - The core point of the article is that Kaishan Holdings (SZ 300257) announced the convening of its sixth board meeting on October 27, 2025, to review the proposal for the 2025 Q3 report [1] - For the year 2024, the revenue composition of Kaishan Holdings is 100.0% from the machinery industry [1] - As of the report date, the market capitalization of Kaishan Holdings is 16.6 billion yuan [1]