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CJ Magnet – Global Leader in
Advanced Magnetic Solutions

Specializing in high-performance neodymium, ferrite, SmCo, and Alnico magnets with customization, cutting-edge technology, and global quality certifications.

Trusted Magnet Manufacturer

With leading technology, tremendous strength, and advanced equipment, we offer professional and efficient customer service for industries worldwide.

Powerful Magnets

High coercivity, superior magnetic strength, and thermal stability for demanding applications.

Customization

Tailored shapes, sizes, coatings, and magnetic orientations to meet your exact specifications.

Industrial Expertise

Over a decade of experience serving automotive, medical, aerospace, and renewable energy sectors.

Our Products

We offer a comprehensive range of permanent magnets and assemblies, including Neodymium, Ferrite, Samarium Cobalt, Alnico, and fully customized solutions.

NdFeB Magnet

NdFeB Magnet

High-energy sintered neodymium magnets with excellent strength-to-size ratio.

  • Grades: N35-N55, 35H-52H
  • Coatings: Ni-Cu-Ni, Zn, Epoxy, Gold
  • Max Energy: Up to 52 MGOe
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Multipolar Ring Magnet

Multipolar Ring Magnet

Precision magnetized rings for motors, encoders, and sensors.

  • Poles: 4 to 64 poles
  • Materials: NdFeB, Ferrite
  • Diameter: 5mm to 200mm
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Laminated Magnet

Laminated Magnet

Reduced eddy current loss for high-frequency motor applications.

  • Layer thickness: 0.2–0.5mm
  • Insulation: epoxy or oxide
  • Used in EV motors, compressors
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Magnet Assembly

Magnet Assembly

Complete magnetic systems with housings, sensors, and adhesives.

  • Custom fixtures and brackets
  • Automated bonding
  • IP67 sealing available
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Customized Magnets

Customized Magnets

Fully tailored magnetic solutions from design to mass production.

  • Prototyping in 7–14 days
  • 3D modeling & FEA analysis
  • Low MOQ available
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Ferrite Magnet

Ferrite Magnet

Cost-effective ceramic magnets with excellent corrosion resistance.

  • Grades: Y30, Y35, C5, C8
  • Shapes: Blocks, discs, arcs
  • Max Operating Temp: 250°C
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SmCo Magnet

SmCo Magnet

High-temperature performance with excellent stability and corrosion resistance.

  • Series: SmCo5, Sm2Co17
  • Temp Range: Up to 350°C
  • Applications: Aerospace, defense
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Alnico Magnet

Alnico Magnet

High residual induction and temperature stability for precision instruments.

  • Grades: Alnico 5, Alnico 8
  • Reversible up to 525°C
  • Used in sensors, meters
Learn More

About CJ Magnet

Shanghai CJ Magnet Industry Co., Ltd. is a wholly-owned subsidiary of Zhejiang Sheensen Magnetics Technology Co., Ltd., a leader in the global magnetic materials industry. As a national high-tech enterprise, we integrate R&D, production, and sales of rare-earth permanent magnetic materials.

Covering an area of 51 acres, we are one of the world’s leading specialized manufacturers of sintered NdFeB magnets. Leveraging the strong production and R&D capabilities of Sheensen Magnetics, CJ Magnet delivers high-performance magnets and assemblies to clients worldwide.

Learn More About Us
CJ Magnet Facility

Quality Assurance

We maintain the highest standards in manufacturing and environmental responsibility.

ROHS/REACH Compliant

ISO 9001

IATF 16949

ISO 14001

ISO 45001

Advanced Technologies

Grain Boundary Diffusion
Laminated Magnet Tech
Nano Coating
Low Weight Loss
Low Temp Coefficient
Heavy Rare Earth-Free

Applications

Electric Vehicles

High-efficiency motors and powertrain systems.

Medical Devices

MRI, pumps, surgical tools, and implants.

Wind Turbines

Direct-drive generators with high torque density.

Automation & Robotics

Servo motors, linear actuators, sensors.

Aerospace & Defense

Actuators, navigation systems, radar.

Electronics

Speakers, hard drives, sensors, relays.

Get in Touch

We’re ready to help with your magnetic material needs. Contact us for quotations, technical support, or custom solutions.

Contact Information

0086 (0)21 5266 8918
Service Hotline: 86-021-52668919
info@cj-magnet.com

Service Time: Monday to Friday, 8:30 AM – 5:30 PM

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