... series transformer EP series transformer EPC series transformer EE series transformer The introduction of transformers of ... our main product: EC, EE.EI and PQ type high frequency switch transformer ... 3230 3535 4040 5050 EI, EE series: EI, EE-5.0, 8.3, 10, 13, 16, 19, 22, 25, 28 ... introduction of transformers of our main product: EC, EE.EI and PQ type high frequency switch transformer ...