What is the difference between IMS and FR-4 PCB? This article explains the key differences in structure, thermal conductivity, heat dissipation performance, reliability, and application areas. As a professional IMS PCB manufacturer in China, Guangzhou ChengYue provides high thermal conductivity IMS PCB and Metal Core PCB solutions designed for LED lighting, automotive electronics, renewable energy, power modules, and industrial applications. Compared with traditional FR-4 PCB, IMS PCB offers superior thermal management through its metal base structure, making it an ideal choice for high-power and heat-sensitive electronic systems. Discover how Guangzhou ChengYue helps global customers improve product reliability with advanced thermal PCB solutions.