
LIAONING HUAYE GROUP DEVELOPMENT CO., LTD. designs and manufactures power and special transformers, reactors, box-type substations, and high/low-voltage switchgear up to 220 kV. The company is recognized for strong R&D capability and EPC power engineering contracting for international projects.
LIAONING HUAYE GROUP DEVELOPMENT CO., LTD. is a national high-tech enterprise engaged in the design and manufacture of integrated electrical equipment for power generation, transmission, transformation and distribution. Its core offerings include power transformers up to 220 kV, rectifier and phase-shifting rectifier transformers, electric furnace and submerged arc furnace transformers, reactors, cast-resin dry-type transformers, European/American box-type substations, and 35 kV-and-below electronic control cabinets.
With a long-term focus on independent innovation, the company maintains dedicated engineering resources and collaborates with domestic and international experts. It has developed proprietary solutions such as multi-splitting phase-shifting rectifier transformers used in key metallurgical rolling projects, with exports to markets including the United States and Germany. Huaye also provides turnkey electrical systems engineering and EPC international contracting services.
Manufacturing and testing capability is supported by a large final assembly workshop and advanced processing, winding, drying, and inspection equipment. The company operates comprehensive test facilities, enabling independent testing for large-capacity and extra-high-voltage products, while emphasizing energy efficiency, safety, reliability, and robust short-circuit withstand performance in product design and manufacturing.

The company delivers a full range of electrical equipment covering power generation, transmission, transformation and distribution, and provides EPC international engineering contracting services for power projects.
Huaye Group has sustained R&D investment and independent innovation, building proprietary capabilities across key technologies and core processes to support high-performance electrical equipment development.
The company’s self-developed multi-splitting phase-shifting rectifier transformer is applied in key domestic metallurgical rolling projects and has been exported to developed markets including the United States and Germany.
The company is equipped with comprehensive transformer test systems and can independently carry out tests for single 300,000 kVA and 330,000 volts products.
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