Cold Rolled Steel Coil 1.Prompt delivery,time-saving 2.High quality , ... used in motor, Electric Engine, dynamo, transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circle Product resource ... the request of customerElectric Engine, dynamo, transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circleGrain-oriented silicon ...