Focus on supply for transformer 62 years

About the transformer
Are you confused?


1Confused

There are many kinds of transformers in the market, Which one is right for me ?

Confused2

Can not be customized, there is no kv transformer I need

3Confused

The price gap is large, I do not know how to choose. What is the difference?

Confused4

No after-sales service.Is the problem of after-sales maintenance difficult to solve?

what can we do


We have 62 years of experience in making transformers

we company was founded in 1958, Nearly 60 years production and R&D experience, mainly provides insulation materials, special materials, power transmission and transformation whole set, transformers etc high-end products.

We are the most powerful and competitive manufacturer and system solution...

62 Year

Practical experience

130000+ Business

Corporate Services

5000 m2

Square Meters Of Area

1700 Employees

Number of employees

What we provide for you is not just a transformer

We have our own factory

We are a final manufacturer, no middlemen make a difference. We can ensure that every dollar you pay is reasonable and can be used on our

professional technical team

Our 24 hours online, according to customer demand to adjust our production plans and orders, the first time be able to

Lifetime technical support

We provide life-long after-sales service, you just need to explain the causeof the failure, we will propose a reasonable solution, and assistance.

Service guarantee

All of our products are in accordance with the national standard production, and certification, safety and quality of your peace of mind

Our products


Dry Type Transformer

Dry Type Transformer
Executive Standard Executive Standard
Environment: -25℃~40℃
Altitude(m) 100 meters or less
Insulation Class F Class
Frequency(Hz) 50
Tap Range ±5% ±2*2.5%
Voltage Regulating Mode No-load Voltage Regulating
Cooling Type AN/FN
Can it be customized Accept customization
Capacity 30~2500

OIL TYPE TRANSFORMER

Dry Type Transformer
Executive Standard Executive Standard
Environment: -25℃~40℃
Altitude(m) 100 meters or less
Insulation Class A Class
Frequency(Hz) 50
Tap Range ±5% ±2*2.5%
Voltage Regulating Mode No-load Voltage Regulating
Cooling Type ONAN
Can it be customized Accept customization
Capacity 30~2500

MULTI-WINDING PHASE-SHIFTED RECTIFIER OVDT TRANSFORMER

Dry Type Transformer
Executive Standard Executive Standard
Environment: -25℃~40℃
Altitude(m) 100 meters or less
Insulation Class A Class
Frequency(Hz) 50
Tap Range ±5% ±2*2.5%
Voltage Regulating Mode No-load Voltage Regulating
Cooling Type ONAN
Can it be customized Accept customization
Capacity 30~2500

Airport dry transformer installation

Commercial center transformer installation

New substation installation

Factory mounted high voltage transformer

Urban and rural power installation

Custom phase shift

Phase-shift installationn

Phase shift rectifier transformer delivery

common problem


Question:Is Dielectric Manufacturing ISO Certified ?

The power transformer has passed the ISO certification. We abide by disciplines in operational practice, and strive for quality control in the manufacturing and processing of precision plastic and metal parts.

Question: about ZTELEC

ZTELEC is covering a total area of ​​50,000 square meters, with 260 employees, 36 senior engineers and electrical research and development personnel.

Question:Russian clients visit factory for dry type transformers

Russian client visit factory for dry type transformers on 2021.01. After that they bought 100No dry type transformers for their apartments.

our business parter


Do you want to know you
need a transformer can be customized?