Amorphous and nan crystalline ribbons, rectangular cut cores, nano, crystalline emc common mode choke cores, ct cores for power system, precision current transformer core, core for switched mode power supply, cores for electro, magnetic earth leakage circuit breakers, high power transformer cores, pfc choke cores, transformer cores of middle frequency power supply, nano, crystalline c, core, nano, crystalline circle cut core, amorphous and nano, crystalline bead, amorphous and nano, crystalline magnetic stripe.