Group 1 - The core point of the article is that Maiwei Co., Ltd. has filed an international patent application for a vacuum cavity and solar cell processing equipment, with the application number PCT/CN2025/096207, and the international publication date set for January 15, 2026 [1] Group 2 - In 2023, Maiwei Co., Ltd. has announced one international patent application, which is consistent with the same period last year [4] - According to the company's mid-year financial data for 2025, it invested 463 million yuan in research and development in the first half of the year, representing a year-on-year increase of 10.38% [4]