King Core Electronic Inc. is one of a specialized Toroidal Coils manufacturer and other products. With a deep-rooted reputation for product and service quality. King Core achieved ISO9001 certification and have put the worldwide process and quality standard into practice for consistent quality performance. Our dedicated engineers and testing facilities review processes at every step, looking for ways to increase the quality and reliability of our Toroidal Coil products. We hope to continue to improve our service and support even further, making every customer feel like a part of King Core family.

Prejection was founded in 1987 as manufacturer of electronic Coil, air coils, Toroidal Coil, electric coils, antenna Coil, RFID coils and power choke. Long–standing experience, advanced technology, uncompromising insistence on quality and continuously upgraded skill have been the success of the high quality electronic coils. We are committed to achieve the highest level of client satisfaction and this has helped us stand out among the competitors. Started in 1987, we've been producing varied and high quality coils to meet Japanese customer’s strict examination and now continue receiving repeated orders from overseas. Learn more about our electronic Coil or Toroidal Coil products, please feel free to contact us anytime.