精达股份：公司对控股子公司提供的担保总额约39.47亿元

Group 1 - The core point of the article is that Jingda Co., Ltd. has provided guarantees totaling approximately 3.947 billion yuan for its controlling subsidiary, which accounts for 67.02% of the company's most recent audited net assets [1] - As of the announcement date, the market capitalization of Jingda Co., Ltd. is 22.5 billion yuan [2] - For the year 2024, the revenue composition of Jingda Co., Ltd. is projected to be 96.7% from manufacturing and 3.3% from other businesses [1]