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Trusted Electrical Insulation Materials Since 1958

64+ years of excellence in manufacturing high-performance insulation solutions for global industries.

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36 National Patents
1000+ Product Variants
100+ Countries Served

About ZTELEC GROUP

A legacy of innovation and reliability in electrical insulation materials since 1958.

64 Years of Industry Leadership

HENAN ZHONGTIAN ELECTRICAL EQUIPMENT GROUP (ZTELEC GROUP), founded in 1958, was once a direct enterprise under the Ministry of Machinery of the People’s Republic of China. We are one of the core enterprises in the national production of electrical and insulation equipment.

Today, we operate five manufacturing bases, ten professional business units, and maintain 32 permanent offices worldwide. With over 1,700 employees and 68 patents, our product chain spans electrical insulation materials, transmission systems, enameled wire, 5G communication materials, and electrical equipment systems.

36 National Invention Patents 38 National High-Tech Products

We collaborate with top institutions including Beijing University of Aeronautics and Astronautics, China University of Electronic Science, Xi’an Jiaotong University, and Shanghai Jiaotong University to drive innovation.

ZTELEC Group History
1958
Founded

Our Products

Over 1,000 high-performance electrical insulation materials designed for reliability, durability, and safety.

FR4 G10 Epoxy Fiberglass Sheet

FR4 G10 Epoxy Fiberglass Sheet

High mechanical strength, excellent electrical insulation, flame retardant. Ideal for PCBs and switchgear.

Insulation Fish Paper

Insulation Fish Paper

High dielectric strength, flexible, used in transformers and motors.

Bakelite Phenolic Cotton Sheet

Bakelite Phenolic Cotton Sheet

Heat-resistant, rigid, excellent arc resistance. Used in switchboards and insulators.

Glass Cloth Laminate Sheet

Glass Cloth Laminate Sheet

High thermal stability, low moisture absorption. Suitable for high-temp environments.

DDP Diamond Dotted Paper

DDP Diamond Dotted Paper

Anti-stick coating, used in transformer winding and coil insulation.

FRP Core Tube

FRP Core Tube

Lightweight, high strength, excellent insulation. Used in power transmission.

Polyester Imide Laminated Tube

Polyester Imide Laminated Tube

High thermal class (Class F), excellent dielectric properties.

Epoxy Glass Cloth Rod

Epoxy Glass Cloth Rod

High mechanical strength, excellent tracking resistance. Used in busbars and supports.

DMD Insulation Paper

DMD Insulation Paper

Polyester film sandwiched between two layers of insulating paper. High flexibility and dielectric strength.

CNC Machining Parts

CNC Machining Parts

Custom precision parts from insulation materials. Tailored to your drawings and specs.

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Why Choose ZTELEC GROUP?

Comprehensive service and unmatched quality for over six decades.

Pre-Sale Support

Technical consultation and material selection guidance from experienced engineers.

Cost-Effective Solutions

High-quality products at competitive prices with bulk order advantages.

After-Sale Follow-Up

Proactive support to ensure optimal product performance and customer satisfaction.

Custom Machining

Precision processing according to your technical drawings and specifications.

64+
Years of Experience
1,000+
Product Variants
100+
Countries Served
36
National Patents

Frequently Asked Questions

Do you offer free samples?

Yes, we provide free samples for evaluation. Contact us to request your sample pack.

Can you customize products based on our drawings?

Absolutely. We offer full customization and CNC machining services based on your technical specifications.

What are your main product categories?

We manufacture insulation sheets, tubes, rods, papers, films, and machined parts including FR4, G10, Bakelite, DMD, and more.

How long does it take to get a quote?

We respond to all inquiries within 1 working day. Make sure to check your email, including spam, for messages from @ztelecgroup.com.

Are your products certified?

Yes, our products meet international standards and have been tested by third-party labs including SGS and BYT.

Get in Touch

Contact us today for a quote, technical support, or free samples.

Phone / WhatsApp

8613137718313

Email

[email protected]

Working Hours

Mon-Fri: 08:40 – 18:00
Sat: 08:40 – 12:20

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