... &D and manufacture of Amorphous cores,Nanocrystallie cores,CT(Current Transformer), Inductors,Magnetic ballasts and Transformers.Main products are as follows ... , smaller volume, higher efficiency and an extended temperature range (to 120 °C) with negative coefficient.2.Applications: --Main fields of application ... website:http://www.coilcore.com Nanocrystalline core for large power transformer