Group 1 - Baosteel Co., Ltd. has filed an international patent application for a system and method for vacuum coating on strip steel, with the application number PCT/CN2025/090700 and an international publication date of October 30, 2025 [1] - The company has announced a total of 54 international patent applications this year, which represents a decrease of 11.48% compared to the same period last year [5] - In the first half of 2025, Baosteel invested 1.676 billion yuan in research and development, reflecting a year-on-year increase of 7.77% [5]