Refers to the manufacturing of power electronic equipment such as transformers, static inverters, and transformers.

include:

Transformers: power transformers, converter transformers, dry-type transformers, box type transformers, electric furnace transformers, test transformers, mining transformers, traction transformers, power transformers, adjustable power transformers, etc;

- Transformer auxiliary equipment: transformer on load tap changer, transformer oil cooled water cooler, etc;

- General industrial power conversion devices: rectifiers, semiconductor inverters, static frequency converters, stabilized power supplies, stabilized power supplies, uninterruptible power supplies, traction converters, and semiconductor converters for motor speed regulation;

- Transformers: voltage transformers, current transformers, combination transformers, etc;

- ballasts, reactors, regulators, etc;

- Manufacturing of parts for the above-mentioned products.