Group 1 - The core point of the article is that Dongfeng Motor Corporation has obtained a patent for a "modeling method and device for a double-tube shock absorber," with the patent announcement number CN 119249745 B and an application date of September 2024 [1] - Dongfeng Motor Corporation was established in 2001 and is located in Wuhan, primarily engaged in the automotive manufacturing industry [1] - The company has a registered capital of 858,937,000 RMB and has invested in 45 enterprises, participated in 5,000 bidding projects, and holds 5,000 patent records [1] - Additionally, Dongfeng Motor Corporation possesses 156 administrative licenses [1]