迈信林：本次解除质押和质押登记完成后，股东白冰累计质押公司股份640万股

Group 1 - The core point of the article is that Jiangsu Maxinlin Aerospace Technology Co., Ltd. announced the release and registration of part of the shares pledged by its major shareholder, Mr. Bai Bing, who holds approximately 7.27 million shares, accounting for 5% of the company's total share capital [1] - After the completion of the release and pledge registration, Mr. Bai Bing has pledged a total of 6.4 million shares, which represents 88.02% of his total holdings and 4.4% of the company's total share capital [1] Group 2 - For the fiscal year 2024, the revenue composition of Maxinlin is as follows: aerospace components and tooling account for 68.02%, precision components for civil multi-industries account for 17.53%, computing power services and sales account for 13.79%, and other businesses account for 0.67% [1]