Group 1 - The core point of the article is that Stone Technology (688169) has filed an international patent application for a "Base Component and Cleaning System," with the application number PCT/CN2025/112718, published internationally on February 12, 2026 [1] - Stone Technology has announced a total of 30 international patent applications this year, representing a 1400% increase compared to the same period last year [1] - In the first half of 2025, the company invested 685 million yuan in research and development, which is a year-on-year increase of 67.28% [1]