Gaotune Technologies is a leading advanced materials manufactory of the Amorphous cores and Nanocrystalline cores located in China. Our quality system commitment includes ISO 9001 certification. our products are also RoHS compliant. Most of our customers come from Europe and North America, including Siemens, GE, Philips, ABB, Power one , Coilcraft , BYD, Huawei etc. 　 We pay atttention to support the customers with our high level properties of the amorphous cores, nanocrystalline cores and silicon steel cores,. The products application: Electric Automotive (EV), EV Chargers, Railway, Wind power inverters and high power UPS Current transformers, Residential curerent circuit breaker,Sensors, Common mode choke and shielding parts etc.