... .Made with IEC 3.Oil immersed Distribution/Power Transformer 4.Low lossLow noise 5.Easy to instal We're ... below, it is the main transformer equipment of medium and small-sized transformer substation, supplies power distribution, power and illumination for the industry and ... steel sheet, adopts the kinds of types like full-bias multi-step seam, no punched hole, winding iron core, etc.. besides ...