sunel-oil-immersed transformers china, oil immersed rectifier transformer china.Oil-immersed transformer full oil-filled sealed type. Corrugated tank housing its own flexibility to adapt to the expansion of the oil is the permanent sealing the fuel tank, oil-immersed transformer has been widely used in various distribution equipment. Test with a high-voltage transformer, electric furnace transformers, welding transformers and transformer in the SCR line with the voltage transformer and current transformer for measuring instruments.