High-Performance CRGO Silicon Steel Coils for Transformer Applications. Premium Raw Materials: Raw materials sourced from Baosteel and WISCO for superior quality. Wide Grade Selection: Extensive range including B30P120, 27QG120, and laser domain refined types. High Efficiency: Low iron loss and high permeability reduce Joule loss and improve energy efficiency. 30+ Years Experience: Pioneer in CRGO silicon steel since 1988 with over 30 years of production expertise. Advanced Manufacturing: Equipped with German slitting systems and Georg 800 cross-cutting machines. Strict Quality Control: ISO9001:2015 certified with 100% visual and functional inspection before shipment. Large Production Capacity: Annual transformer core production capacity exceeds 100,000 tons. Flexible Customization: Supports OEM/ODM, full customization, and minor customization from samples or designs.