Group 1 - The core point of the article is that Ansteel Group (鞍钢股份) has filed an international patent application for a new type of steel with high CTOD characteristics, indicating the company's focus on innovation and research [1] - The patent application is titled "A 51kg Grade BCA2 Crack-Resistant Steel and Its Manufacturing Method," with the application number PCT/CN2024/118146 and an international publication date set for February 5, 2026 [1] - Ansteel has filed a total of six international patent applications this year, reflecting its commitment to research and development [1] Group 2 - In the first half of 2025, Ansteel invested 259 million yuan in research and development, which represents a year-on-year increase of 35.6% [1]