Suzhou Spark Electro-magnetic Technology Co.,LTD . is a highly specialzed company in researching and manufacturing Digital Head for Magnetic Card. Our main products are Read and Write Head for ISO 1,2,3 TRK, together with other kinds. Coupled with rich experiences of management, research and development,we have successfully supplied high volume, high quality but low cost card reader heads to our domestic and international customers. Besides the Digital Head for Magnetic Card, we also produce Monaural auto reverse playback Head, and stereo playback Head for cassette recorders. With first-class research personnel,we are now developing Magnetic Card Reader used in the commercial POS systems. Suzhou Spark is open to cooperate with all other makers in this field to achieve common progress and greater customer satisfaction. Comments on are always appreciated.