Nanocrystalline common mode choke manufacturer and supplier 2022? Transmart transformer core manufacturers are an export oriented company with customers located in 40+ countries. We supply high quality tape wound cores in Nanocrystalline, Amorphous and Silicon Steels. Product applications including Common mode chokes ,Hall Effect Current Sensors, Low Voltage and Medium Voltage instrument transformers, Earth Leakage Circuit Breakers ,Reactors, Inductors etc. […]