Group 1 - The core viewpoint of the article highlights that Lude Technology (688156) has announced an international patent application for a solidification material and its applications, with the application number PCT/CN2024/108665 and an international publication date set for February 5, 2026 [1] - Lude Technology has published a total of two international patent applications in the current year [1] - In the first half of 2025, the company invested 7.2746 million yuan in research and development, reflecting a year-on-year increase of 9.52% [1]