Transformer Core, Oriented Electrical Steel, CRGO Silicon Steel manufacturer / supplier in China, offering 0.23mm Thickness Baosteel Low Loss Transformer Core Oriented Silicon Steel Sheet, 0.23mm Thickness Baosteel 0.85W/Kg Iron Loss Transformer Core CRGO Silicon Steel Sheet, 0.23mm Baosteel 85grade Efficient Iron Loss Transformer Core Silicon Steel and so on.