DOS Group is a leading manufacturer specializing in high-quality power transmission and distribution solutions, covering a wide voltage range from 1kV to 500kV. Our extensive product portfolio includes bare aluminum conductors (AAC, AAAC, ACSR), aerial bundled cables (ABC Cable), low voltage cables, medium voltage cables, high voltage cables, concentric cables, submarine cables, control cables, photovoltaic cables (PV Cable), OPGW, as well as a full range of cable accessories.

DOS Group also provides a comprehensive lineup of power transformers, including oil-immersed transformers, dry-type transformers, distribution transformers, and high-voltage power transformers. Designed in accordance with international standards such as IEC ASTM and IEEE, our transformers are engineered for high efficiency, low loss, and long service life. They are widely used in power generation plants, substations, industrial facilities, and renewable energy systems, ensuring reliable power conversion and distribution.