Comprehensive Power Distribution Equipment Collection

Its leading products cover (intelligent) high-voltage vacuum circuit breakers, user boundary vacuum load switches, isolation switches, fuses, intelligent high and low voltage prepaid sales terminals, intelligent distribution terminals, (prepaid) high-voltage power metering boxes, transformers, lightning arresters, composite insulators, high and low voltage complete switchgear, building electrical appliances, etc;
DGG Polymer-Housed Metal Oxide Surge Arrester for Power Distribution Systems
Surge Arrester
DGG Polymer-Housed Metal Oxide Surge Arrester for Power Distribution Systems
DGG Deeply Integrated Primary and Secondary Pole-Mounted Vacuum Circuit Breaker
Auto Recloser
DGG Deeply Integrated Primary and Secondary Pole-Mounted Vacuum Circuit Breaker
LZZB11-10 Indoor/Single-phase Instrument Split Core Current Transformer For Switchgear
Current Transformer
LZZB11-10 Indoor/Single-phase Instrument Split Core Current Transformer For Switchgear
LZZBJ9-10A2G Instrument Current Transformer for Power Distribution And Transmission
Current Transformer
LZZBJ9-10A2G Instrument Current Transformer for Power Distribution And Transmission
LXK Indoor Zero Sequence Instrument Current Transformers For Power Distribution Cabinet
Zero Sequence Current Transformer
LXK Indoor Zero Sequence Instrument Current Transformers For Power Distribution Cabinet
11kv Outdoor Single Phase Instrument Epoxy Resin Casting Potential/Voltage Transformer
Voltage Transformer
11kv Outdoor Single Phase Instrument Epoxy Resin Casting Potential/Voltage Transformer
JDZW1-10 Combined High Outdoor Fully Insulated Voltage Transformer for Single Phase Power
Voltage Transformer
JDZW1-10 Combined High Outdoor Fully Insulated Voltage Transformer for Single Phase Power
Indoor Single Instrument Potential Phase High Voltage Transformer
Voltage Transformer
Indoor Single Instrument Potential Phase High Voltage Transformer
JDZ18-35W 10-35kv Outdoor Single-phase Epoxy-resin Casting Type Voltage/Potential Transformer
Voltage Transformer
JDZ18-35W 10-35kv Outdoor Single-phase Epoxy-resin Casting Type Voltage/Potential Transformer
JLSZ-6W,10W Three High Voltage Outdoor Instrument Phase Combined Transformer
Combined Instrument Transformer
JLSZ-6W,10W Three High Voltage Outdoor Instrument Phase Combined Transformer
LMZK Series Electrical Low Voltage Zero Sequence Current Transformers For Indoor Usage
Zero Sequence Current Transformer
LMZK Series Electrical Low Voltage Zero Sequence Current Transformers For Indoor Usage
LMZ Series Fully Insulated Instrument Low Voltage Zero Sequence Current Transformer
Zero Sequence Current Transformer
LMZ Series Fully Insulated Instrument Low Voltage Zero Sequence Current Transformer
Three Phase Outdoor Epoxy-resin Casting Type Combined Transformer
Combined Instrument Transformer
Three Phase Outdoor Epoxy-resin Casting Type Combined Transformer
Outdoorr Overhead Line Distribution Type Expulsion Drop-out Fuse Cutout for 10-35kv
Fuse Cutout
Outdoorr Overhead Line Distribution Type Expulsion Drop-out Fuse Cutout for 10-35kv
Outdoor Overhead Line Distribution Type Expulsion Drop-out Fuse Cutout with KEMA Certification
Fuse Cutout
Outdoor Overhead Line Distribution Type Expulsion Drop-out Fuse Cutout with KEMA Certification
Outdoor High Voltage Ceramics/Polymers Drop Out Fuse Cutout
Fuse Cutout
Outdoor High Voltage Ceramics/Polymers Drop Out Fuse Cutout
Power Distribution Porcelain Drop Out Fuse Cutout With KEMA Certified
Fuse Cutout
Power Distribution Porcelain Drop Out Fuse Cutout With KEMA Certified
Factory Price Medium Voltage Drop Out Fuse Cutout for Power System
Fuse Cutout
Factory Price Medium Voltage Drop Out Fuse Cutout for Power System
High Voltage Porcelain Current Limiting Drop Out Fuse Cutout
Fuse Cutout
High Voltage Porcelain Current Limiting Drop Out Fuse Cutout
(H)RW5 – 40.5 Outdoor Expulsion Drop-out Type Distribution Drop-out Fuse Cutout Series For 11-15kv
Fuse Cutout
(H)RW5 – 40.5 Outdoor Expulsion Drop-out Type Distribution Drop-out Fuse Cutout Series For 11-15kv
DGG - Pioneering Advanced Electrical Technologies

DGG - Pioneering Advanced Electrical Technologies

Denggao Electric Co., Ltd. was founded in 2005 and is headquartered in the Economic Development Zone of Yueqing City. After more than a decade of hard work, it has developed into a modern enterprise that integrates research and development, design, manufacturing, trade, and service without any regional boundaries.
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If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!
 

Electrical Services and Support

It has developed into a modern enterprise that integrates research and development, design, manufacturing, trade, and service without any regional boundaries.
 

Customized Service

The customer provides us with a technical parameter table of the product and pictures of the product. We issue drawings based on the parameters provided by the customer and provide a ...

Product Consulting Services

We have a fast inquiry response mechanism and 24-hour online service, with professional staff to answer any product related questions for you in the first time.
 
 

Delivery of Orders

A large production team ensures that our products have less production time. After the customer places an order, we arrange professional personnel to follow up on the order in a timely manner and report the progress ...

After sales service for products

We have a professional after-sales service technical team. From the time customers receive the goods and use them until a long time in the future, we will provide professional after-sales repair ...
— Pioneering Advanced Electrical Technologies

Electrical Services and Support

It has developed into a modern enterprise that integrates research and development, design, manufacturing, trade, and service without any regional boundaries.
 
Global Certificate & Report
Many Patents
Quality Control
Management Team
What's New at DGG​​​​​​​
cold climate outdoor VCB.jpg
2026-09-09
Outdoor Vacuum Circuit Breakers for High-Altitude And Cold-Climate Applications

Outdoor vacuum circuit breakers are often installed in environments far more demanding than a standard distribution site.Mountain substations, plateau distribution networks, railway power systems, mining areas, renewable-energy projects and remote infrastructure may expose electrical equipment to hi

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VCB factory test.jpg
2026-09-02
What Tests Should An Outdoor Vacuum Circuit Breaker Pass Before Delivery?

When purchasing an outdoor vacuum circuit breaker, specifications such as rated voltage, rated current and short-circuit breaking current are usually confirmed first. But before the equipment is shipped, another question is equally important:How do we know that the circuit breaker delivered to the p

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intelligent VCB.jpg
2026-08-19
Outdoor Vacuum Circuit Breaker Maintenance & Troubleshooting | DGG Power

Outdoor vacuum circuit breakers are widely used in substations, overhead distribution networks, industrial power systems and feeder protection applications. Their job is straightforward in principle: carry normal current, respond to protection or control commands and interrupt current when required.

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