ZK is a factory specializing in high-frequency transformers and inductors.

Dongguan Zhongkai Electronic Co.,ltd has more than 29 years long in the field of electronic components. We are a high-tech enterprise specializing in designing, producing and exporting high-quality electronic components, certificated by ISO9001:2015, ISO14001:2015 and IATF16949. Our products are also certified by UL Class B, F and H, complying with RoHS and REACH. Our main products are various types of high-frequency transformers, planar transformers, big power transformers, SMD transformers, choke coils, toroidal inductors, SMD inductors and big current inductors, which are widely used in various electronic fields like power controller, household appliance, security systems, medical, communication equipment, car and new energy. We welcome OEM and ODM orders.