... 2) Raw Materials (cold rolled grain non oriented 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 ... 0EI-21021017570353510514010.0EI-240240200801604012016010.0 EI Lamination and Silicon Steel Sheet