Group 1 - The State Intellectual Property Office of China has granted Dongfeng Motor Corporation a patent for a method to determine the minimum film thickness of an intermediate coating, with the authorization announcement number CN116660182B and application date of May 2023 [1] - Dongfeng Motor Corporation, established in 2001 and located in Wuhan, primarily engages in the automotive manufacturing industry [1] - The registered capital of Dongfeng Motor Corporation is 858,937,000 RMB [1] Group 2 - Dongfeng Motor Corporation has invested in 44 external enterprises and participated in 5,000 bidding projects [1] - The company holds 5,000 pieces of patent information and has obtained 155 administrative licenses [1]