Dry-type transformer adopts the special process technology of European dry-type transformer to ensure that the product fully meets the requirements of fire protection, waterproof and environmental protection. By optimizing the high-voltage coil structure, the product series improves the voltage and capacitance distribution between layers, and enhances the product's ability to withstand atmospheric overvoltage, operating overvoltage, and electric field distribution. It is the ideal product for power distribution system, widely used in subway, shipbuilding, mining, chemical industry, power companies and personnel intensive buildings and other occasions with special requirements for safety.