Hero Magnetic Development Co., Ltd. Was established in 2007, a national high-tech enterprise in Beijing, engaged in the research and development, production and sales of nanocrystalline ribbon and cores. Ourproducts, including CMC Choke cores, EMC filter cores, Current Transformer Cores, Amorphous cCcore, Power transformer cores, other inductor cores have been widely used in Electric Vehicles, ElectronicEnergy Meters and switch mode power supplies, household appliances, instruments, high and low voltagedistributors, charging station, wireless chargers for mobile phone, etc. Among them, the field of new energyvehicles(OBC, EMC, DC/DC) with broad prospects in the market involves a large number of magneticmaterials and devices. The requirement for magnetic materials is good broadband characteristics to meetthe high and low frequency of electric drives. Our company are certified by ISO45001, ISO14001, IATF16949, ISO9001, etc.