Group 1 - The core point of the article is that Dongfeng Motor Corporation has obtained a patent for a device related to automotive air brake energy storage testing, with the patent application date being June 2024 [1] Group 2 - Dongfeng Motor Corporation was established in 1999 and is located in Xiangyang, primarily engaged in the automotive manufacturing industry [1] - The company has a registered capital of 2 billion RMB [1] - Dongfeng Motor Corporation has invested in 16 enterprises and participated in 3,502 bidding projects [1] - The company holds 154 trademark registrations and 2,957 patents, along with 733 administrative licenses [1]