海尔智家公布国际专利申请：“阀盒、空调系统及冷媒泄露的控制方法”

Group 1 - Haier Smart Home (600690) has filed an international patent application for a "valve box, air conditioning system, and method for controlling refrigerant leakage" with application number PCT/CN2025/119772, published internationally on February 26, 2026 [1] - The company has announced a total of 44 international patent applications this year, representing a 22.22% increase compared to the same period last year [1] - In the first half of 2025, Haier Smart Home invested 5.79 billion yuan in research and development, which is an 11.73% year-on-year increase [1]