Product Descriptions
|
Product Name |
Neodymium Magnets /Ring Shaped Magnets |
|
Material |
Neodymium Iron Boron Magnet |
|
Size |
Customized according to requests |
|
Tolerance in size |
+/-0.05 mm |
|
Direction of magnetism |
Axial, Radial magnetization |
|
Applications (widely used) |
Ring shaped neodymium magnets are ideal for compact motors, sensors, and magnetic coupling systems. Their annular design enables efficient magnetic circuits in speakers, filters, and holding devices. Widely used in automation, renewable energy, and consumer electronics, they provide focused magnetic fields with minimal space requirements. |
Magnetization Direction
The magnetic orientation determines the axis along which a magnet's poles are arranged. Principal configurations encompass:
Axial Alignment – Magnetic poles located on the two primary parallel surfaces
Transverse Alignment – Poles positioned on opposite curved sides
Multi-Pole Configuration – Sequential north-south poles arranged in circular or linear patterns
Customized Field Designs – Specially engineered magnetic pathways for unique implementations

Coating / Plating
Neodymium ring shaped magnets require protective coatings to prevent corrosion. Common options include nickel plating (Ni-Cu-Ni), zinc, epoxy, and gold. These thin layers provide durability without compromising magnetic performance, ensuring longevity in various environments while maintaining the magnet's structural integrity and functional characteristics.

High-Precision Manufacturing
Neodymium magnets can maintain dimensional accuracy within ±0.05mm through advanced precision machining techniques including surface grinding and CNC cutting processes. This tight tolerance control ensures consistent performance in applications requiring precise magnetic field distribution and mechanical fit.

Magnetic Grade Parameters

Company Profile
Established in 2003, Hesheng Magnetics stands as a pioneer in China's neodymium rare earth permanent magnet industry, operating with full vertical integration from raw material processing to finished product assembly.
Two decades of focused development have cemented our leadership in intelligent magnet manufacturing and advanced applications. Through sustained R&D investment and advanced production technologies, we have developed distinctive product advantages across four specialized categories: extra-large dimension magnets, precision magnetic assemblies, custom-shaped components, and specialized magnetic tooling solutions.


Certificates
Our manufacturing facilities maintain comprehensive certification across quality, environmental and safety management systems (IATF16949, ISO9001, ISO14001, ISO45001). Product compliance includes international standards such as RoHS, REACH, EN71, CE, CP65, CPSIA and ASTM, ensuring global market accessibility and consistent quality assurance.

FAQ
Q: Are you a trader or manufacturer?
A: We are a manufacturer with 20 years of specialized experience in producing neodymium magnets. Our 15-year track record of serving European and American markets, along with partnerships with global brands like Disney, Samsung, and Apple, demonstrates our reliable supply capability. All products are supported by complete quality certification and testing documentation.
Q: What is the ordering process?
A: Our ordering process follows four simple steps: 1) Share your specifications or application needs; 2) Receive our professional quotation; 3) Confirm samples and pay deposit; 4) We begin production immediately. This ensures efficient project execution from concept to delivery.
Q: Do you accept custom specifications?
A: Absolutely. We specialize in manufacturing magnets according to client specifications, including custom dimensions, shapes, and performance grades. Please share your technical drawings or detailed requirements for a tailored solution.
Q: What packaging options are available?
A: We provide standard anti-magnetic packaging to ensure safe delivery. For large orders, customized packaging solutions are also available to meet specific logistical or branding requirements.
Q: Do magnets lose strength over time?
A: While permanent magnets experience minimal natural magnetic decay (typically under 1% over 10 years), proper storage and usage conditions ensure stable performance. This negligible degradation is why they're classified as "permanent" magnets.



