... silicon steel coils): a) Bao steel: B50A1000, B50A800, B50A600, B50A470, B35A550, B35A440 b) Tai steel: 50TW800, 50TW600, 50TW1000, 50TW470 c) Wu steel: 50WW1300, 50WW800, 50WW600, 50WW470 ... , 350WW360, 350WW310 d) An steel: 50AW1300, 50AW1000, 50AW800, 50AW600, 50AW470 e) Imported silicon steel coils, such as ...