兰石重装：公司及子公司累计对外担保余额约为20.2亿元

Group 1 - The company, Lanshi Heavy Industry, announced a total external guarantee balance of approximately 2.02 billion yuan, which accounts for 61.22% of the audited net assets attributable to the parent company for the year 2024 [1] - Among the guarantees, the balance for subsidiaries is about 695 million yuan, representing 21.06% of the audited net assets attributable to the parent company for 2024 [1] - The guarantee balance for the controlling shareholder and its subsidiaries is 1.325 billion yuan, making up 40.16% of the audited net assets attributable to the parent company for 2024 [1] Group 2 - For the year 2024, the revenue composition of Lanshi Heavy Industry is as follows: mechanical manufacturing accounts for 72.87%, new metal materials 14.29%, engineering general contracting 9.96%, technical services 2.02%, and other businesses 0.86% [1]