Industrial Permanent Magnets Manufacturers - Pot Magnet Suppliers

About NBPMT Magnets

Ningbo Prime Tech Magnet Co., Ltd. (PMT), established in July 2002, is a renowned research and development enterprise specializing in high-performance NdFeB permanent magnets. Located in the scenic Ningbo seaport, we serve global industries with precision-engineered magnetic solutions.

We produce a wide range of magnet types — including cylinder, ring, tile, block, bar, disc, and various irregular shapes — tailored to meet diverse industrial needs. Our capabilities extend to magnetic chucks, pot magnets, rotors, and custom assemblies.

2000+ Tons

Annual Production

$10M+

Annual Output

20+ Years

Industry Experience

Why Choose NBPMT Magnets?

We combine advanced technology, rigorous quality control, and deep industry expertise to deliver magnets that perform under the most demanding conditions.

Permanent Performance

High coercivity NdFeB magnets with long-term stability and resistance to demagnetization.

Full Customization

Custom shapes, sizes, grades (N to EH), and magnetization patterns based on your drawings or samples.

Cost Efficiency

Integrated powder metallurgy and machining facilities ensure competitive pricing without compromising quality.

Guaranteed Quality

In-house testing lab with advanced inspection equipment and automated final quality checks.

High Capacity

Over 2000 tons annual production capacity to support large-volume and long-term supply contracts.

Our Product Range

We manufacture a comprehensive range of industrial permanent magnets, including standard and custom configurations in various grades, shapes, and coatings.

Disc & Cylinder Magnets

Precision-sintered neodymium magnets in various diameters and thicknesses. Ideal for sensors, motors, and holding applications.

• Grades: N35–N52, 30H–50H
• Diameters: 1mm–100mm
• Coatings: Ni-Cu-Ni, Zn, Epoxy

Ring Magnets

Axially or radially magnetized rings for motors, couplings, and magnetic bearings.

• Inner/Outer Diameters: 3mm–150mm
• Thickness: 1mm–30mm
• Custom countersunk or grooved options

Bar & Block Magnets

Rectangular and square magnets for magnetic separators, holding systems, and industrial automation.

• Length: 5mm–200mm
• Width/Height: 2mm–50mm
• Multi-pole magnetization available

Tile & Fan Magnets

Segmented arc magnets for motors, generators, and wind turbines.

• Angles: 5°–180°
• Custom radii and chamfers
• High-temperature grades (UH, EH)

Pot Magnets

High-holding-force magnets encased in steel cups for lifting, holding, and fixturing.

• Pull force: 5kg–300kg
• Threaded stud, countersunk, or eyelet
• Rubber coating available

Irregular Shapes

Custom geometries including trapezoids, polygons, and complex 3D forms.

• Based on CAD drawings or samples
• Wire EDM and grinding available
• Prototypes in 7–14 days

Custom 3M Adhesive Magnets

Magnet with 3M Sticker

Pre-mounted magnets with industrial-grade 3M tape for easy installation.

• Pressure-sensitive adhesive
• High shear strength
• Indoor/outdoor durability

Magnetic Rotors & Assemblies

Magnetic Rotors

Fully assembled rotors with multi-pole magnetization for BLDC and stepper motors.

• Bonded or sintered NdFeB
• Balanced and tested
• Custom pole counts

View All Products

Advanced Technology & Quality Control

Our integrated manufacturing process ensures consistent quality from raw material to finished product. We operate our own powder metallurgy sintering plant and precision machining facility.

Full in-house R&D team for custom development
Advanced material inspection (XRF, SEM, Gauss meter)
Automated final inspection system for 100% testing
Grades from N to EH, including high-temperature variants

Applications Across Industries

Our magnets power innovation in electronics, energy, healthcare, automotive, and industrial automation.

Wind Turbines

High-energy magnets for direct-drive generators

DC Motors

Precision rotors for EVs, drones, and tools

Medical Devices

MRI, pumps, and surgical tools

Smartphones

Sensors, speakers, and MagSafe-style systems

Audio Equipment

Headphones, speakers, microphones

Industrial Automation

Sensors, actuators, grippers

Instrumentation

Flow meters, encoders, relays

Car Accessories

Sensors, motors, holding systems

Latest News & Insights

Stay updated with the latest developments in magnet technology and industry trends.

27 Jul

High-Temperature Magnet Manufacturers: Raw Materials for Decrypting Magnets

Simply put, magnets show magnetism due to the regular orientation of molecular currents within the material. High-temperature stability depends on rare earth composition and microstructure.

20 Jul

How Do Strong Magnetic Manufacturers Make Strong Magnetic Iron Absorbers?

Strong magnetic manufacturers use permanent magnet iron knives to remove iron particles mixed with raw materials, ensuring purity and performance consistency.

China Quality Suppliers fobcompany.info

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