Group 1 - Dongfeng Motor Corporation has applied for a patent titled "A Vehicle Chassis KC Simulation Modeling Analysis Method and Device Based on Adams," with publication number CN120633032A and application date of May 2025 [1] - The patent involves building a multi-body dynamics model for the suspension and steering subsystems, as well as a parameterized model for the vehicle body subsystem [1] - The application includes the assembly of the suspension and steering subsystems with the vehicle body subsystem on the Adams/Car platform for optimization simulation [1] Group 2 - Dongfeng Motor Corporation was established in 1999 and is primarily engaged in the automotive manufacturing industry, located in Xiangyang [2] - The company has a registered capital of 200,000 million RMB and has invested in 16 enterprises [2] - Dongfeng has participated in 3,422 bidding projects and holds 2,876 patents along with 154 trademark registrations [2]