- 2025-07-24
- 5
Aibo Security Obtains Patent for Built-in Oil Pressure Supply Structure of Door Closers, Realizing Automatic Deceleration Control for Door Closing
JRJ News, July 24, 2025: Information from the State Intellectual Property Office (SIPO) shows that Zhejiang Aibo Security Technology Co., Ltd. has obtained a patent entitled "A Built-in Oil Pressure Supply Structure for Door Closers", with the authorization announcement number CN223135917U and the application date in September 2024.




