1.Advantage: Product from WISCO 2.Usage: it is essential material ... , transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circle Product resource list BrandSpecificationUsageGrain-oriented silicon steel( ... of customerElectric Engine, dynamo, transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circleGrain-oriented silicon ...