Dongsoft Carrier: Wholly-owned subsidiary obtains an invention patent.

Dongsoft Carrier Wave Announcement, the company's wholly-owned subsidiary Qingdao Dongsoft Carrier Wave Smart Electronics Co., Ltd. recently obtained an invention patent and received a patent certificate issued by the National Intellectual Property Office. The invention is titled "Bus Power Communication System and Internal Resistance Measurement Method for Precisely Measuring Bus Internal Resistance," with patent number ZL 2023 1 1618912.0. The patent type is invention patent, the patent application date is November 30, 2023, and the announcement date of authorization is June 23, 2026. This patent belongs to the field of bus power communication technology, and as a fundamental patent, it is of certain significance for improving the performance of the company's products. The acquisition of this patent will not have a significant impact on the company's recent operations and is beneficial for maintaining the company's leading position in technology.