Zhongkai Electronic Co., Ltd (short for ZK) , a privately-owned enterprise, was established in 1997 which is engaged in designing and producing high frequency transformers, filters, inductors, choke coils, self-bonded air coil etc. magnetic components professionally. The products are widely used in New energy, communication facilities, UPS power, household appliances, Medical instrument, monitor, Automotive electronics and so many other fields. ZK is always committed to the standardization of management, in 2004 get ISO9001-2000 and certified by ISO14001：2004 in 2011. From the born day, ZK developed rapidly and stably, also achieved good reputation in the field. The products are best-selling in domestic and foreign markets, 50% are exported to Europe, America, Austrilia, South America, Asia and many other countries. ZK introduced international advanced technology and study good design conception, build a set of modern manufacturing craft.