... rolled iron non-oriented silicon steela) Bao steel: B50A1000, B50A1300, B50AH470, B50AH600, B50AH800, B35A270,B35A300b ... ) Ann steel: 50AW1000,50AW1300c) Wu steel: 50WW1300, 50WW1000, 50WW800d) Imported silicon steel such as POSCO steel4) ... Especially applicable to all kinds of iron cores for electric bicycle motor electric bicycle motor ...