Custom EI Lamination Transformers Dongguan Qunke Electronics Technology Co., Ltd. was founded in 2008 and is a high-tech company which integrates production, design, R&D, and sale. We passed ISO 9001 certification and the UL Insulation systems certification. Our main products are electronic transformers, SMD power, inductors coils, fixed inductors, toroidal coils, common mode chokes,...
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