Group 1 - The core point of the article is that Anhui Jianghuai Automobile Group Co., Ltd. has obtained a patent for a method and system for external transmission of fault codes for brake system controllers, with the patent granted on August 16, 2025, and the application date being December 2022 [1] - Anhui Jianghuai Automobile Group Co., Ltd. was established in 1999 and is located in Hefei City, primarily engaged in the automotive manufacturing industry [1] - The company has a registered capital of 21.84 billion RMB and has invested in 48 enterprises, participated in 5,000 bidding projects, and holds 946 trademark records and 5,000 patent records [1]