Group 1 - The core point of the article is that Shun'an Environment (002011) has filed an international patent application for a "one-way valve" with the application number PCT/CN2025/073698, which is set to be published internationally on August 7, 2025 [1] Group 2 - Shun'an Environment has announced a total of 39 international patent applications this year, representing an increase of 85.71% compared to the same period last year [4] - In the 2024 annual report, the company invested 503 million yuan in research and development, which is a year-on-year increase of 15.88% [4]