普天科技：每年生产的PCB产品种类达10万种，产品应用行业广泛

Group 1 - The company, Putian Technology, focuses on multi-variety, sample, and small-batch PCB design, manufacturing, and assembly services, catering to high reliability and special requirements [2] - It is recognized as one of the largest manufacturers of special-purpose PCBs in China, serving sectors such as rail transportation, power, and high-end communications [2] - The company produces approximately 100,000 types of PCB products annually, indicating a wide application across various industries [2]