华荣股份公布国际专利申请：“一种新型防爆高分贝声光报警器”

Group 1 - The core point of the article is that Huaron Co., Ltd. (603855) has filed an international patent application for a new type of explosion-proof high-decibel sound and light alarm, with the application number PCT/CN2024/111684 and an international publication date of February 12, 2026 [1] - In 2023, Huaron Co., Ltd. has announced a total of 6 international patent applications [1] - The company invested 73.55 million yuan in research and development in the first half of 2025, which represents a year-on-year decrease of 1.39% [1]