Popular Transformer Ei Lamination Grain Oriented Silicon Steel. Customizable Core Gap: Transformer lamination core gap sizes can be customized to meet specific requirements. Wide Thickness Range: Available in thicknesses from 0.23mm to 0.5mm for CRGO and CRNGO materials. Extensive Size Options: EI lamination sizes range from EI-35 to EI-360 and 3PEI-17.5 to 3PEI-120. Multiple Material Grades: Offers M3 to M6 CRGO and various 35W/50W series CRNGO silicon steel grades. Diverse Coating Types: Provides T2 Inorganic coating for CRGO and T4 Semi-organic coating for CRNGO. OEM and ODM Services: Customization service is available, and OEM business is appreciated. Competitive Factory Price: Direct manufacturing factory ensures competitive pricing with strict quality control. Global Certifications: Products certified with ISO9001-2000, ISO9001, and CCC standards.