Group 1 - The company Spring兴精工 announced a total external guarantee amount of approximately 4.516 billion yuan, which accounts for 9284.77% of the latest audited net assets and 92.15% of total assets [1] - The actual external guarantee balance is about 2.382 billion yuan, representing 4897.12% of the latest audited net assets, with guarantees to subsidiaries amounting to approximately 919 million yuan, or 1890.1% of net assets [1] - The company has a market capitalization of 6.7 billion yuan as of the report date [1] Group 2 - For the first half of 2025, the revenue composition of Spring兴精工 is as follows: automotive parts 44.79%, precision aluminum alloy structural parts 25.2%, mobile communication RF devices 21.87%, and others 8.14% [1]

Group 1 - The company Spring High Precision (SZ 002547) held its 20th meeting of the 6th board of directors on August 27, 2025, to review documents including the proposal to revise the "Audit Committee Work Rules" [1] - For the first half of 2025, the revenue composition of Spring High Precision was as follows: automotive parts accounted for 44.79%, precision aluminum alloy structural parts 25.2%, mobile communication RF devices 21.87%, and others 8.14% [1]

Group 1 - The company Spring兴精工 announced the resignation of Ms. Zhang Weimin as the secretary of the board due to personal reasons, effective upon delivery of her resignation report to the company [2] - After her resignation, Ms. Zhang will continue to hold other positions within the company [2] Group 2 - For the fiscal year 2024, Spring兴精工's revenue composition is as follows: automotive parts account for 42.54%, precision aluminum alloy structural parts for 28.01%, mobile communication RF devices for 20.58%, and others for 8.86% [2]