CRNGO 1.Mill Name: Wuhan Iron and Steel Group Corp. (WISCO). ... : it is essential material used in motor, Electric Engine, dynamo, transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circle ... commodityCold Rolled Non Grain Oriented Steel (CRNGO)gradeM50W600,W800,W1000,W1300,W1300Dsuraface treamentslightly oiled, Non alloy steel ...