www kindinsulation.com leading Transformer,oil immersed transformer, rated capacity 10-6300KVA. Oil-immersed transformer depends on the insulation oil to achieve the insulation; it depends on the cycling of the insulation oil inside the transformer to deliver the heat produced by the coil to the radiator of the transformer for heat dissipating. Oil-type transformer is more suitable for outdoor application. competitive quote in china .Email saleinsulation at hotmail.com