We manufacturer E&I cores from CRGO and CRNGO in many different dimention, made to order to customer specification as well as standard grades which is widely used in india in CRGO Grade M3, M4, M5 and M6 & CRNGO Grades M43, M45 OR as per customers specified grade. These type CRGO and CRNGO Transformer Cores are used in control transformer,Instrument Transformers and Iron core chokes,Ballast,And variety of electromagnetic application.