Our main products include high-efficiency and energy-saving transformers, iron cores, box-type substations, high and low-voltage complete sets of equipment, new energy intelligent charging equipment and related supporting products.
Three-Phase Oil-Immersed Silicon Steel Tridimensional Toroidal Core Transformer
The three-phase oil-immersed silicon steel tridimensional toroidal core transformer is an innovative energy-saving power transformer. By reforming the laminated magnetic circuit structure and three-phase layout of traditional power transformers, it achieves optimized product performance.
Three-Phase Oil-Immersed Amorphous Alloy Tridimensional Toroidal Core Transformer
The SH-RL series amorphous alloy tridimensional toroidal core transformer features a core made of amorphous alloy strips as the main component, and a three-phase closed tridimensional toroidal core structure.
Three-Phase Oil-Immersed Silicon Steel Laminated Core Transformer
The laminated core transformer adopts high magnetic permeability and low-loss silicon steel sheets, with a stepped multi-stage joint structure. The core tensioning and clamping use anti-loosening structures.
Three-Phase Dry-Type Silicon Steel Tridimensional Toroidal Core Transformer (SCB-RL Series)
The SCB-RL series resin-insulated tridimensional toroidal core dry-type transformer adopts a tridimensional toroidal core as its key component, achieving perfect symmetry in the three-phase magnetic circuit.
Three-Phase Dry-Type Silicon Steel Laminated Core Transformer
The core of the SCB series laminated core dry-type transformer adopts a core-type structure, typically a three-phase three-limb design.
Three-Phase Dry-Type Amorphous Alloy Tridimensional Toroidal Core Transformer
The SCBH-RL series amorphous alloy tridimensional toroidal core dry-type transformer features an innovative tridimensional toroidal core design.
Also known as a prefabricated substation, the box-type substation is a compact indoor/outdoor power distribution unit that integrates high-voltage switchgear, distribution transformers, and low-voltage distribution devices according to specific wiring schemes.
KYN28-12 Armored Removable Indoor AC Metal-Clad Switchgear
The switchgear mainly consists of two parts: the cabinet body and the removable circuit breaker handcart. The interior of the cabinet is divided into busbar compartment, circuit breaker compartment, cable compartment and low-voltage secondary instrument compartment, equipped with a comprehensive "five-prevention" interlocking system to ensure operational safety.
GCS AC Low-Voltage Drawer-Type Switchgear
Strictly Isolated Modular Functional Chambers: The switchgear is divided into functional unit chamber, busbar chamber and cable chamber. Each chamber is independent and non-interfering, greatly enhancing the system reliability.
GGD AC Low-Voltage Distribution Cabinet
The cabinet body is assembled or welded using 8MF cold-formed steel sections. The frame is equipped with modular mounting holes arranged in a standardized pattern, offering high versatility and flexible assembly.
XL AC Low-Voltage Power Cabinet
The cabinet is made of cold-rolled steel plates. Internally, the main busbar is non-fixed and the isolating knife switch is front-accessible, ensuring safe and flexible operation. And it is dedicated to controlling lower-end loads, enabling convenient maintenance.
7kW Single-Gun AC Charging Pile
It adopts wall-mounted or floor-standing installation design. The body shell is made of high-strength flame-retardant ABS material with a tight protective structure.
40kW Single-Gun Integrated DC Charging Pile
Equipped with a high-efficiency DC charging module featuring intelligent power distribution. The main body adopts a high-strength steel structure with excellent sealing performance.
160kW Integrated DC Dual-Gun Charging Pile
Adopts a highly integrated all-in-one design with a high-strength steel body that offers exceptional structural stability and sealing performance.
400kW Integrated DC Dual-Gun Charging Pile for Heavy-Duty Trucks
Adopts a heavy-duty commercial vehicle-specific integrated design, integrating dual high-power independent power modules, intelligent dual-gun control units, cooling systems, and high-durability high-power charging guns into one unit.
480kW Fully Flexible Group Charging Pile
Adopts a modular fully flexible group charging architecture, integrating multiple sets of independent flexible power modules, intelligent group charging control units, distributed high-efficiency cooling systems, and multi-gun output interfaces.
Gaojing Company adheres to the principle of "innovation driven, green rise" and deeply cultivates the fields of efficient and energy-saving transmission and distribution, as well as new energy. Its main products include high-efficiency and energy-saving tridimensional wound core distribution...
Hebei Gaojing Electrical Equipment Co., Ltd. (hereinafter referred to as Gaojing Company) is located in Handan, Hebei Province. It is a modern enterprise integrating research and development, production and sales of high-efficiency and energy-saving transformers, high and low-voltage complete sets of equipment, box-type substations, new energy intelligent charging equipment and related supporting products.
2008
Founded in
100000 m2
Company area
6 +
High-standard automated production workshop
600 +
Staff
Gaojing Company adheres to the principle of "innovation driven, green rise" and deeply cultivates the fields of efficient and energy-saving transmission and distribution, as well as new energy. Its main products include high-efficiency and energy-saving ...
Sinopec Yidian·Gaojing Ultra-Fast Charging Station
Sinopec Yidian·Gaojing Ultra-Fast Charging Station is an integrated energy management charging infrastructure jointly built by China Sinopec and Gaojing Company. Guided by the national "Dual Carbon" policy, it adheres to the concepts of clean energy, ultra-energy-saving, ultra-fast charging, intelligence and safety, and relies on the integration of photovoltaic, energy storage and charging.
Case of Self-Developed Amorphous Alloy Tridimensional Toroidal Core Transformer
Amorphous alloy tridimensional toroidal core transformer is a key power transmission and distribution equipment integrating energy-saving and environmental protection characteristics.
Hebei Gaojing Electrical Equipment Co., Ltd. has been deeply engaged in the field of energy-saving transformers. In 2023, it obtained China's first type test report for a 4000kVA/37kV amorphous tridimensional toroidal core transformer, and the technical achievement of its large-capacity amorphous alloy tridimensional toroidal core transformer for new energy applications has reached the international advanced level.
Hebei Gaojing Electrical Equipment Co., Ltd. independently developed the "three-phase resin-cast off-load tap-changing amorphous alloy closed tridimensional toroidal core dry-type distribution transformer".
In 2015, the S13-type 110kV three-phase oil-immersed tridimensional toroidal core power transformer was successfully rolled off the production line at Hebei Gaojing Electrical Equipment Co., Ltd. Adopting a three-phase "spatia tridimensional triangular" toroidal core structure, this product achieves multiple advantages including energy saving, material saving, low noise and stable performance through the application of new technologies, new materials and new processes.
Our Story Begins Here
Sep 01, 2026
When I compare oil immersed transformer vs dry type transformer designs, I begin with the cooling medium, insulation system, installation environment, load profile, fire requirements, and lifecycle cost. Oil-immersed units generally suit outdoor substations, utilities, high-capacity systems, and higher-voltage applications, while dry-type units commonly suit indoor commercial buildings,
Aug 31, 2026
What You Need to Know about Oil-immersed Transformer starts with one basic definition: an oil-immersed transformer is an electrical transformer whose core and windings are submerged in insulating liquid. The liquid provides dielectric insulation between energized components and transfers heat from the windings and core to the tank, radiators, or cooling equipment. These transformers are widely
Aug 31, 2026
Oil-immersed transformers are classified by application, construction, cooling method, phase configuration, and oil-preservation system. Major examples include distribution transformers, power transformers, core-type transformers, shell-type transformers, ONAN and ONAF units, sealed transformers, conservator transformers, single-phase transformers, and three-phase transformers.
Apr 13, 2026
Discover why silicon steel is used in transformer core applications and how silicon steel cores improve efficiency, reduce energy loss, and enhance magnetic performance.
Apr 13, 2026
Learn the working principle of a dry type distribution transformer, including its design, cooling system, insulation, and applications. Explore how dry type power transformers operate safely and efficiently in modern power systems.
Jan 21, 2026
On December 11, 2025, the Eurasian Economic Commission (EEC) announced that a customs duty exemption policy for electric vehicles (EVs) imported into Armenia, Belarus, and Kyrgyzstan will take effect from 2026.
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Tel: +86 188 3000 9955
E-mail: gjscb@hbgjdq.com
WeChat: zjj9232013
Add.: No.118, Luchan Road, Yongnian District, Handan City, Hebei Province, China
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