... 3. ISO9001, ISO14001 4. Resonable price , High quality EI lamination (silicon steel product) :1. Specifications: EI24, EI-28, EI-30, EI-35 ... International standards3. Raw Materials (cold rolled grain non oriented silicon steel coils): a) Bao steel: B50A1000, B50A800, B50A600, B50A470, B35A550, B35A440 b) Tai ...