About us – Dinghongtransformer

About Dinghong

Professional Power Equipment Manufacturer at the Foot of Mount Tai.

Shandong Dinghong Electric Power Equipment Co., Ltd. is a professional manufacturer of power equipment, supplying transformers, high and low voltage switchgear, prefabricated substations and new energy supporting equipment for power distribution projects.

20,000㎡

Production area

31M+

Fixed assets in RMB

650+

Employees

220kV

Voltage class and below

· Transformer & Power Distribution Manufacturer

Focused on transformers and complete power distribution equipment

The company mainly produces power transformers, special transformers, high and low voltage distribution cabinets and prefabricated substations. Its transformer products cover voltage classes up to 220kV and capacity from 10kVA to 31,500kVA.

Dinghong’s product concept emphasizes novel structure, low loss and high mechanical strength, serving power distribution, industrial facilities, infrastructure and renewable energy supporting projects.

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Browse Products

Main product categories

A clear product system covering transformers, switchgear, substations and new energy equipment.

Transformers

Oil-immersed transformers, dry-type transformers and special transformers such as furnace, rectifier, phase-shifting and grounding transformers.

Switchgear

High-voltage cabinets, low-voltage cabinets, fixed cabinets, drawer cabinets, compensation cabinets, metering cabinets and coupling cabinets.

Substations

Box-type substations and prefabricated cabins for power distribution, industrial parks, infrastructure and supporting utility projects.

New Energy

AC chargers, DC chargers, liquid-cooled supercharging equipment, industrial energy storage cabinets and integrated PV-storage-charging systems.

Manufacturing & Standards

Designed for reliable operation and practical project use.

Dinghong’s product catalog highlights low loss, low noise, strong short-circuit resistance and standard-based design for transformer applications.

Oil-Immersed Transformers

Compact structure, low temperature rise, low noise, strong overload capacity and reliable electrical and mechanical performance.

Dry-Type Transformers

Safe, flame-retardant, pollution-free, low maintenance and suitable for load centers, buildings, factories, airports and schools.

Standard Support

Product parameters reference IEC, GB, ANSI/IEEE and NEMA requirements, with GB1094, GB6451 and GB20052-2020 mentioned in the catalog.

Clients & Cases

Proven in real application scenarios.

The company presents cooperation clients and typical cases in public infrastructure, transportation, buildings and renewable energy export projects.

Infrastructure
Public power projects

Typical references include South-to-North Water Diversion and urban infrastructure-related power supply applications.

Buildings & Transport
Commercial and transit power

Applications include Long’ao Building, urban rail transit and Taishan Ropeway supporting power equipment projects.

Renewable Energy
Export equipment

The catalog also lists a European renewable energy power equipment export project as one of the typical cases.

Need transformer or power distribution equipment?

Send us your capacity, voltage level, frequency, standard, application and quantity. Dinghong will help confirm suitable product options for your project.