4.15亿元，长信科技并购显示业务子公司

Group 1 - The core point of the article is that Changxin Technology has agreed to acquire 43.8571% of the equity of its subsidiary Wuhu Changxin New Display Device Co., Ltd. for approximately RMB 415 million, resulting in Changxin Technology holding 100% control over the subsidiary [1][2]. - The acquisition is aimed at enhancing management efficiency, achieving synergies, and improving overall quality, which will strengthen the company's profitability and sustainable development [2][3]. - Financial projections indicate that Wuhu Changxin is expected to generate revenue of RMB 476 million and a net profit of RMB 12.24 million in 2024, with revenue of RMB 295 million and a net profit of RMB 6.96 million in the first half of 2025 [1][2]. Group 2 - In addition to the equity acquisition, Changxin Technology is advancing new projects in the display sector, including the establishment of a new R&D center for touch display devices in Wuhu, with a total investment of RMB 300 million [3]. - The R&D center will cover an area of 30.5 acres and will include various facilities such as a basic research institute and advanced technology laboratories, designed to accommodate 1,500 R&D personnel [3].