Sou Hu Cai Jing·2026-02-27 21:50Core Viewpoint - Haier Smart Home (600690) has announced an international patent application for a refrigerator door assembly and refrigerator, indicating a focus on innovation and product development in the home appliance sector [1] Group 1: Patent Application - The patent application is titled "Refrigerator Door Assembly and Refrigerator" with the application number PCT/CN2025/115664, and the international publication date is set for February 26, 2026 [1] - This marks a significant step in Haier's commitment to enhancing its product offerings through intellectual property [1] Group 2: Research and Development Investment - In 2025, Haier has filed a total of 44 international patent applications, representing a 22.22% increase compared to the same period last year [1] - The company invested 5.79 billion yuan in research and development in the first half of 2025, reflecting an 11.73% year-on-year increase [1]