King-Nd Magnets | High-Performance Rare Earth Magnets Manufacturer

About King-Nd Magnets

Shanghai King-Nd Magnet Co., Ltd. was founded in 2008, with its production base located in Ningbo. As a high-tech enterprise, we are professionally engaged in the research, development, production, and sales of rare earth NdFeB magnets.

Since the commencement of NdFeB production in 2008, we have established a complete industrial chain—from rare-earth permanent magnet material raw processing to finished product manufacturing—ensuring consistent quality and innovation.

15+

Years Experience

2008

Founded

Our Product Range

Engineered for performance, durability, and precision across industries

NdFeB Magnet

Sintered neodymium magnets with superior magnetic strength, ideal for high-performance motors and industrial systems.

High energy product
Corrosion-resistant coatings
Custom shapes & grades

Block NdFeB

Precision-cut block magnets used in linear motors, sensors, and magnetic couplings.

Tolerance: ±0.05mm
N35-N52 grades available
Ni-Cu-Ni plating standard

Ring NdFeB

Used in loudspeakers, encoders, and brushless DC motors for uniform magnetic fields.

Inner/outer diameter customization
Axial or radial magnetization
High coercivity options

Segment NdFeB

Arc-shaped segments for electric motors and generators requiring high torque density.

Multi-pole magnetization
Chamfered edges available
Ideal for servo motors

Round NdFeB

Cylindrical magnets widely used in electroacoustic devices, sensors, and holding systems.

Diameters from 1mm
Axial or diametric magnetization
High consistency batch production

Ferrite Magnet

Cost-effective sintered ferrite magnets with good temperature stability for motors and speakers.

Low cost, high volume
Excellent corrosion resistance
Isotropic & anisotropic types

SmCo Magnet

Samarium-Cobalt magnets with exceptional temperature resistance and stability.

Grades 1:5 and 2:17
Up to 350°C operating temp
High corrosion resistance

Bonded NdFeB

Injection-molded or compression-bonded magnets for complex shapes and tight tolerances.

Net-shape manufacturing
Multi-pole magnetization
Various resin binders

Rubber Magnet

Flexible magnetic sheets and strips for signage, gaskets, and consumer applications.

Rolls & cut sheets
PVC or EPDM base
Custom thickness & width

Magnet Assembly

Fully assembled magnetic systems with housings, sensors, and mounting hardware.

NdFeB, SmCo, Ferrite options
Potting & encapsulation
ISO-compliant QA

AlNiCo Magnet

Cast or sintered Alnico magnets with excellent temperature stability and reversible characteristics.

Up to 550°C operation
High residual induction
Custom casting available

Strong Magnetic Bar

High-strength magnetic bars and frames for separation, holding, and industrial automation.

Stainless steel housing
Various diameters & lengths
High gauss output

View All Products

Why Choose King-Nd?

Vertical Integration

Full control from raw material to finished product ensures quality and traceability.

R&D Focus

Dedicated research team developing next-gen magnetic materials and processes.

Global Reach

Serving customers in automotive, industrial, medical, and renewable energy sectors.

Certified Quality

ISO 9001, IATF 16949, and ISO 14001 certified manufacturing systems.

Frequently Asked Questions

What is a NdFeB magnet?

NdFeB (Neodymium Iron Boron) is the strongest type of rare-earth permanent magnet, known for its high magnetic energy product and coercivity. It is widely used in motors, sensors, and high-tech applications.

What are ferrite magnets used for?

Ferrite magnets, also known as ceramic magnets, are cost-effective permanent magnets used in speakers, motors, magnetic separators, and household appliances due to their good resistance to demagnetization and corrosion.

Can you customize magnet shapes and coatings?

Yes, we offer full customization of magnet shapes, sizes, grades, and coatings including Ni-Cu-Ni, Zn, Epoxy, and Gold plating based on application requirements.

Do you provide magnet assemblies?

Yes, we manufacture complete magnet assemblies with housings, adhesives, sensors, and mounting hardware for direct integration into your systems.

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