Group 1 - The core point of the article is that Huayu Automotive Electric Systems Co., Ltd. has obtained a patent for a device used for the integrity testing of U-shaped enameled wire coatings, indicating innovation in the automotive manufacturing sector [1] - The patent, titled "A device for testing the integrity of U-shaped enameled wire coatings," was granted with the announcement number CN223217531U, and the application date was September 2024 [1] - The device includes a base, a support frame, and a support rod, featuring a hollow metal frame with steel balls, insulating support columns, and a grounding pin, showcasing advanced engineering design [1] Group 2 - Huayu Automotive Electric Systems Co., Ltd. was established in 2011 and is located in Shanghai, primarily engaged in the automotive manufacturing industry [1] - The company has a registered capital of 700 million RMB and has made investments in one external enterprise, participated in 72 bidding projects, and holds 184 patent records [1] - Additionally, the company possesses seven administrative licenses, reflecting its operational capabilities and compliance within the industry [1]