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Transformer Core Manufacturing

Precision Lamination Cores for Global Industries

High-performance silicon steel laminations engineered for transformers, reactors, power systems, and industrial electronics.

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About Centersky

A global leader in electromagnetic silicon steel manufacturing with over 40 years of expertise in producing high-efficiency lamination cores.

Trusted Manufacturer Since 1974

Centersky is a family-owned company, operating since 1974, and has grown into a global professional manufacturer of electromagnetic silicon steel products. We specialize in standard and non-standard series EI lamination, three-phase cores, TL core series, reactor cores, and ballasts.

Our products are widely used in electronic transformers, power transformers, sensors, voltage regulators, computer power supplies, leakage protection switches, welding machines, magnetic amplifiers, reactors, and instrumentation industries.

With a factory area of nearly 15,000 square meters and over 200 employees—including 30 dedicated quality control experts—we deliver world-class quality silicon steel sheets to customers worldwide, including Fortune 500 companies.

Factory Production Line
40+
Years of Experience

Our Core Products

Precision-engineered lamination cores designed for efficiency, durability, and performance across industrial and power applications.

EI Core Lamination

EI Core Lamination

One of the most popular designs for single-phase transformers. Offers a cost-effective, reliable solution for PCB-mounted units and industrial control panels.

Single Phase
3 Phase Lamination

3 Phase Lamination

Designed for three-phase transformers used in power distribution, industrial machinery, and high-capacity electrical systems.

3-Phase
UI Lamination

UI Lamination

An efficient alternative to EI cores for single-phase transformers, offering improved magnetic performance and compact design.

Single Phase
Strip Lamination

Strip Lamination

Continuous strip laminations ideal for automated core assembly, ensuring consistent performance and reduced core loss.

Automated Use
Reactor Core Lamination

Reactor Core Lamination

High-efficiency cores for reactors used in power factor correction, harmonic filtering, and industrial drive systems.

Industrial
TL Core Series

TL Core Series

Specialized core design for high-frequency applications, offering low eddy current loss and excellent thermal stability.

High-Frequency
Custom Laminations

Custom Laminations

Non-standard and custom-designed laminations tailored to specific client requirements and unique industrial applications.

Custom
Ballast Core

Ballast Core

Precision cores for ballasts in lighting systems and power regulation, ensuring stable current control and long service life.

Lighting & Power

Why Choose Lamination-Core?

We combine decades of engineering excellence with cutting-edge manufacturing to deliver unmatched quality and reliability.

40+

Years of Expertise

Family-owned since 1974, trusted by global clients for consistent quality and innovation.

15K+

m² Factory

State-of-the-art production facility with advanced automation and quality control.

30+

Quality Engineers

Dedicated team ensuring every lamination meets international standards.

Global

Distribution

Serving customers worldwide, including Fortune 500 companies in power and electronics.

200+
Employees
40+
Countries Served
100%
Quality Inspected

Frequently Asked Questions

What materials are used in your laminations?

We use high-grade electromagnetic silicon steel sheets, also known as electrical steel, optimized for low core loss and high magnetic permeability.

Can you produce custom lamination designs?

Yes, we specialize in both standard and non-standard lamination cores. Our engineering team works closely with clients to develop custom solutions.

What industries use your products?

Our laminations are used in transformers, reactors, sensors, voltage regulators, computer power supplies, welding machines, and industrial instrumentation.

Do you export globally?

Yes, we provide high-quality lamination cores to customers around the world, with a strong presence in North America, Europe, and Asia.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

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