Group 1 - The core point of the article is that Ruichuang Weina (688002) has filed an international patent application for a vehicle warning method based on animal collisions, with the application number PCT/CN2024/137867 and an international publication date of February 26, 2026 [1] - Ruichuang Weina has announced a total of three international patent applications this year [1] - In the first half of 2025, the company invested 508 million yuan in research and development, representing a year-on-year increase of 36.95% [1]