... non-oriented silicon steel coils):a) Bao steel: B50A1000, B0A1300, B50AH470, B50AH600, B50AH800, B35A270,B35A300b) Ann steel: 50AW1000,50AW1300c) Wu steel: 50WW1300, 50WW1000, 50WW800d) Imported silicon steel such ... as POSCO steel5) Applicable to all kinds of iron cores for power transformers EI-type Silicon Steel Sheet ...