... Technique: Cold Rolled Silicon Steel Specification: a) Bao Steel : B50A1000, B50A800, B50A600, B50A galvanized steel coil Silicon Steel Specification: a) Bao Steel : B50A1000, B50A800, B50A600, B50A470, ... B35A550, B35A440b)Tai Steel : 50TW800, 50TW600, 50TW1000, 50TW470 ...