Group 1 - The core point of the article is that Dahua Technology (002236) has filed an international patent application for a traffic condition recognition method, indicating its focus on innovation and technology development [1] - The patent application number is PCT/CN2025/098091, with an international publication date set for January 29, 2026 [1] - Dahua Technology has filed a total of five international patent applications this year, representing a 150% increase compared to the same period last year [1] Group 2 - In the first half of 2025, the company invested 1.984 billion yuan in research and development, which is a year-on-year increase of 4.37% [1]