Group 1 - The core viewpoint is that Zhengye Technology does not manufacture PCBs but provides industrial automation testing equipment to PCB manufacturers [2] - Zhengye Technology has a strong technical accumulation and customer resources in the PCB field, establishing long-term stable partnerships with well-known industry clients such as Pengding Holdings, TTM, Jianding Technology, Jingwang Electronics, and Shenzhen South Circuit [2] - The company has built a strong market position and brand influence in the PCB industry through innovative technology, excellent product performance, high-quality service, and rapid market response capabilities [2]