海兴电力：公司对外担保均为对控股子公司的担保，担保总额为9958.52万元

Group 1 - The core point of the article is that Haixing Electric (SH 603556) announced that all external guarantees are for its controlling subsidiaries, totaling 99.5852 million yuan, which is approximately 1.4% of the company's latest audited net assets [1] - For the year 2024, Haixing Electric's revenue composition is as follows: 96.14% from power engineering services, 3.03% from renewable energy, and 0.83% from other businesses [1] - As of the report date, Haixing Electric has a market capitalization of 17.8 billion yuan [1]