Group 1 - The core point of the article is that Jingwang Electronics (603228) has filed an international patent application for a new type of embedded magnetic PCB and its manufacturing method, with the application number PCT/CN2025/080770 and an international publication date set for February 19, 2026 [1] - In 2023, Jingwang Electronics has announced one international patent application so far [1] - The company invested 426 million yuan in research and development in the first half of 2025, representing a year-on-year increase of 28.99% [1]