Transformer Core, Oriented Electrical Steel, CRGO Silicon Steel manufacturer / supplier in China, offering 0.27mm CRGO 1.10W/Kg Iron Loss Silicon Steel Raw Material for Transformer Core, Top-Quality 20-65 Grade CRGO Silicon Steel, Julong B20r065 0.2 0.23 0.27 0.3 0.35mm Silicon Electrical Steel Lamination Sheet and so on.