Application fields: EMC common-mode and differential-mode filter inductor magnetic cores 2. Core materials for large, medium and small power transformers of switching power supplies and iron cores of pulse transformers 3. Different precision current transformers (zero sequence/ leakage protection) cores, and leakage protection switch transformer cores 4. Saturation reactors, magnetic amplifiers, peak suppressors, saturated inductor cores, pulse compressors' cores and magnetic beads 5. Filtering inductor, energy storage inductor, reactor core 6. Power transformer, precision current transformer core 7. Current Sensor