One Stop Electrical Steel
Manufacturing Expert
Apply to all Standard and Testing for your needs
Quality Steel Coil Manufacturing
Focused on Cold Rolled Steel
One of The leading Supplier in China
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advanced manufacturing process
Advanced Manufacturing Process
Longbank is well-equipped with advanced technology and state-of-the-art production facilities. Our production system is fully automated with end-to-end and computerized operations. Rest assured that Longbank can provide electrical steel coil with high performance.
quality control
100% Quality Control
Longbank assures strict quality control on all our electrical steel production stages. We guarantee that our electrical steel coils are certified by ASTM A876, ASTM A677, ASTM A683, and more. Our electrical steel factory has full certifications from international quality standards.
Surface insulation
Surface Insulation
Longbank offers a wide range of surface insulation for your electrical surface. We offer surface insulation with different features and types. You can choose from our regular product surface insulation or eco-friendly surface insulation.

Custom Electrical Steel to Skyrocket Your Business

Longbank is committed to meeting your electrical steel specifications with high precision. We offer different electrical steel such as non-grain-oriented electrical steel, grain-oriented electrical steel, silicon steel coil, motor lamination steel, and more. Longbank can provide these electrical steels with a short lead time.

We offer a full range of electrical steel made from special steel, stainless steel, and carbon steel. Longbank can produce custom electrical steel to meet the standards of different industries including construction, automobiles, light industry, electricity, and more.

With our 20+ years of experience, rest assured that Longbank can satisfy all your custom electrical steel needs. Contact us now!

Professional Electrical Steel Manufacturer in China

Your Professional Electrical Steel Manufacturer in China

Longbank has rich experience in manufacturing electrical steel with reliability and quality.

  • Offers a wide range of electrical steel including silicon steel coil, non-grain orient electrical steel, CRGO steel, etc.
  • Suitable for the electric motor, transformer, generator, and other applications.
  • Ideal for construction, automobiles, machinery, electrical, and more industries.

Longbank Electrical Steel Series

Electrical Steel Coil
The electrical steel coil is manufactured with improved electrical properties making it suitable for small relays, electric motors, solenoids, and other electromagnetic devices.
Non-Grain Oriented Electrical Steel
Our non-grain-oriented electrical steel is widely used for power generation, electric motors, appliances, and other electrical components in the industry.
Silicon Steel Coil
Longbank silicon steel coils are manufactured using silicon and iron alloy that has a strong magnetic property. Thus, making it ideal for transformers and motors application.
Cold-Rolled Steel Coil
Longbank offers cold-rolled steel coils that are manufactured by cooling them down using room temperature. It is widely used for structural parts including beam, chassis parts, etc.
CRGO Steel
CRGO steels are widely used in electrical transformers. It features high permeability, less hysteresis loss, and high performance for its applications.
Motor Lamination Steel
Motor lamination steel is consist of metal sheets that are bonded, welded, and stacked together. It is widely used for the rotor and stator of an electric motor.
Grain-Oriented Electrical Steel
Grain-oriented electrical steel is widely used for high-performance generators and energy-efficient transformers. It is available in punched, sheets, or laminated coils.

Longbank In-House Electrical Steel Production Capabilities

Longbank has full electrical steel technical in-house capabilities such as:

  • Epstein testing
  • Special Single-phase and three-phase transformer and stator lamination stacking testing
  • Ring testing
  • Franklin coating measurement ASTM A717
  • Supports technical design support
  • 2D basic magnetic FEA support
  • Coating thickness measurement

We are also equipped with advanced testing facilities and an in-house lab for electrical steel production. Longbank can produce electrical steel for you based on your requirements.

Longbank Electrical Steel Production
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Why Longbank Electrical Steel is Trusted by 1000+ Clients Worldwide

Longbank offers electrical steel with improved properties such as greater magnetic properties, improved hardness, and higher strength. Our team can help you verify the performance of our electrical steel under a variety of frequencies and ambient conditions.

High performance
High Performance
Longbank electrical steel offers a lot of mechanical properties such as high permeability, low power loss per cycle, and low core loss.
Low Cost
Low Cost
Longbank offers an affordable stamping process for producing electrical steel. We use cost-effective production and materials.
wide application
Wide Range of Applications
Our electrical steel is widely used for different applications that include motors, generator materials, transformer components, etc.
Longbank Manufacturing Electrical Steel
Longbank Silicon Steel

Longbank manufactures silicon steels that are available in different grades and thicknesses. We can produce silicon steel according to your specific applications. It undergoes an annealing process to ensure high strength. Our silicon steel is widely used in:

  • High-performance parts
  • Corrosion control
  • Transformers
  • Generators
  • Reactors
  • Pole pieces
  • Motion-control applications
  • Rotating machinery
Longbank Electrical Steel Factory
Longbank Electrical Steel Lamination

Longbank offers a wide range of electrical steel lamination varying in sizes and shapes. We can provide a 42” lamination diameter. Rest assured that Longbank can satisfy your demanding requirements. Longbank offers the following lamination:

  • Transformer laminations
  • Armature laminations
  • Vent laminations
  • Interlocked laminations
  • Rotor laminations
  • Notched laminations
  • Stator lamination
  • Welded laminations

Longbank Electrical Steel Production

Longbank manufactures electrical steel by melting or casting continuously in an oxygen furnace. We specialize in manufacturing grain-oriented electrical steel, non-grain-oriented electrical steel, and colled-rolled electrical steel. All our electrical steel undergoes decarburizing anneal to reduce carbon content. The following are the main electrical steel we produce.

Electrical Steel Coil
Silicon Steel Coil
Cold-Rolled Steel Coil
Electrical Steel Coil
Non-Grain Oriented Electrical Steel
Motor Lamination Steel

Longbank Electrical Steel for Wide Range of Applications

Our electrical steels are tailored to meet your specific applications and requirements.

Driving motors of electrical vehicle
Intermittent service motors
Hermetic motors
Electrical ballast
Current transformers
AC motors
Distribution transformers
Power transformers
Current transformers
Welding transformers
Audio transformers
Large and small motors
Magnetic amplifiers

What Our Customers Say

  • Longbank is always my supplier of electrical steel. They never failed to provide me with the highest quality electrical steel with great properties for my project. I really enjoy working with Longbank team. Looking forward to making another transaction with you!
    Testimonial 1
  • Longbank is my go-to supplier whenever I need electrical steel for my business. I always choose Longbank because of its high-quality, durable, and high-performance electrical steel. Of course, I really love their services. Very accommodating and approachable.
    Testimonial 2
    Los Angeles
  • I highly recommend Longbank as the best supplier of electric steel. Their electrical steels are truly high-quality and have the best performance. Thank you for your team for the customization services that help me find the best electrical steel for my business.
    Testimonial 3

Related Resource

Electrical Steel Properties-The Complete Guide

Are you a business owner or a newbie in finding electrical steel, then it is the best guide for you? This article will help you understand electrical steel better.

How Electrical Steel are Manufactured

In this article, you will understand how electrical steel is manufactured. It will also guide you to understand different electrical steel manufacturing processes.

Steel Coil

If you do not know about the materials used for electrical steel production, this guide will help you. This will help you find the right materials for your electrical steel.

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