Premium Baosteel Transformer Silicon Steel Mother Coils for Export. High Permeability Material: Low-carbon silicon iron alloy with 0.5%-4.5% silicon content for reduced Joule loss. Low Iron Loss Performance: Core loss as low as 0.65W/Kg at 1.7T/50Hz for improved energy efficiency. Premium Raw Materials: Sourced exclusively from Bao-steel and Wu-steel for superior quality. Advanced Cutting Technology: Equipped with German Georg 800 cross-cutting E-stack machines. Mass Production Capacity: Annual transformer core production capacity exceeds 100,000 tons. Comprehensive Quality Control: 100% visual and function inspection with 9 dedicated QA/QC inspectors. Flexible Customization: Supports full customization, minor customization, and customization from samples. ISO Certified Manufacturing: Production strictly follows ISO9001:2015 and ISO50001 standards.