... of transformers of our main product: EC, EE.EI and PQ type high frequency switch transformer EP type ... product: PQ 2020 2016 2625 3230 3535 4040 5050 EI, EE series: EI, EE-5.0, 8.3, 10, 13, ... 16, 19, 22, 25, 28, 30, 33, 35, 40, 42, 50, 55 ... introduction of transformers of our main product: EC, EE.EI and PQ type high frequency switch transformer EP type magnet ...