Group 1 - The core point of the article is that Songlin Technology (603992) has filed an international patent application for a new structure and top spray shower that stops water when closed, with the application number PCT/CN2025/078068 and an international publication date of August 28, 2025 [1] Group 2 - In 2023, Songlin Technology has announced a total of 9 international patent applications, which is a decrease of 10% compared to the same period last year [3] - According to the company's mid-year financial data for 2025, it invested 116 million yuan in research and development in the first half of the year, representing a year-on-year increase of 9.17% [3]