Group 1 - Guangdong Hongtu (Tianjin) Automotive Parts Co., Ltd. has applied for a patent titled "A Quality Detection Method and System for Automotive Parts Production," with publication number CN121582225A and application date of December 2025 [1] - The patent describes a method and system for quality detection in automotive parts production, involving the construction of multispectral images and structural change image models at various production nodes [1] - The system utilizes real-time comparison of multispectral images and video data against dynamic models to identify production defects and generate repair requirements based on defect locations [1] Group 2 - Guangdong Hongtu (Tianjin) Automotive Parts Co., Ltd. was established in 2022 and is located in Tianjin, primarily engaged in the automotive manufacturing industry [2] - The company has a registered capital of 200 million RMB and has participated in 33 bidding projects, holds 6 patents, and possesses 60 administrative licenses according to data analysis [2]