The efficiency of modern power management systems hinges on the quality of transformer cores, making transformer core suppliers a critical part of the supply chain. These suppliers provide essential components used in various electrical systems, including power grids, industrial machinery, and consumer electronics. Transformer cores act as the heart of these systems, guiding magnetic flux and ensuring efficient energy transfer. One of the most widely used transformer core types is the toroidal transformer core . Recognized for its doughnut-shaped design, it offers several advantages over traditional core types. Toroidal cores have a closed-loop shape, which minimizes energy loss due to leakage of the magnetic field, resulting in higher efficiency. They are also compact, which makes them a preferred choice in space-constrained applications. Additionally, their low electromagnetic interference (EMI) characteristics make them ideal for sensitive equipment. In contrast, current transforme...