Thermal instability has become a critical bottleneck for new energy vehicle electronic controllers. During long-distance driving and high-load operation, onboard control units, battery management systems, and motor controllers generate continuous high heat. Without reliable lightweight heat dissipation structures, excess temperature accumulation causes system throttling, signal drift, reduced cruising range, and even premature electronic component aging. Traditional heavy heat sinks add vehicle weight and increase energy consumption, while low-quality radiators fail to sustain stable thermal performance under complex vehicle working conditions. To resolve this new energy industry dilemma, MetalPlus provides lightweight custom aluminum extrusion heat sink solutions optimized for new energy vehicle thermal management systems.