兰石重装：10月30日召开董事会会议

Group 1 - The core point of the article is that Lanshi Heavy Industry (SH 603169) held its eighth meeting of the sixth board of directors on October 30, 2025, where it reviewed the proposal for retrospective adjustment of financial data for enterprises under the same control [1] - For the year 2024, the revenue composition of Lanshi Heavy Industry is as follows: mechanical manufacturing accounts for 72.87%, new metal materials account for 14.29%, engineering general contracting accounts for 9.96%, technical services account for 2.02%, and other businesses account for 0.86% [1]