... . 3, The series of NiZn ferrite core is including DR core, RI core, DRWW core, RWW cores, RID core, RHH core, R4H ... in home communication appliance, computer etc area. 4, Also NiZn ferrite core has long been well known due to its technological ... in high frequency inductors, transformer core, microwave devices, middle-frequency transformers, coils and all kinds of filters, etc. We have accumulated ...