Neodymium magnets (NdFeB), despite their small size, power numerous critical industries such as electric motors, electric vehicles, automation equipment, sensors, and consumer electronics. When choosing a supplier, the "best" supplier isn't always the largest one. The right choice depends on your specific needs regarding magnet grade, coating, tolerances, delivery time, and quality system.
This list features 10 manufacturers located in China, presented in no particular order, with no ranking of "best" or "worst." All companies provide clear company information and independent websites. These suppliers are provided as a reference list only; the final choice of supplier depends on your project requirements.
|
Brand |
Year Established |
Headquarters |
Key Strengths |
|
MainRich Magnets |
1992 |
China |
OEM/ODM custom NdFeB magnets and magnetic assemblies; supports standard + custom magnet projects for overseas buyers. |
|
Great Magtech |
2015 |
China |
OEM production for NdFeB magnets and magnetic separation equipment (separators, chucks, couplings, assemblies); suitable for buyers needing "magnets + system/assembly" supply. |
|
ND Magnets |
2004 |
China |
OEM sintered NdFeB magnets for industrial uses; strong coverage of standard grades + custom shapes for overseas sourcing. |
|
GME Magnet |
2015 |
China |
OEM wholesale supplier for permanent magnets and custom magnetic assemblies; a broad range of NdFeB magnets and made-to-order assemblies for export buyers. |
|
SDM Magnetic |
2004 |
China |
OEM for permanent magnets + engineered magnetic components; positioned for industrial and engineering applications. |
|
TYMagnets |
1992 |
China |
OEM/contract manufacturing for NdFeB magnets and magnetic assemblies; emphasizes engineering support for higher-end applications. |
|
HGT Advanced Magnets |
2010 |
China |
OEM rare-earth magnets (NdFeB/SmCo) with custom magnet development; suitable for tailored rare-earth magnet solutions. |
|
HS Magnet |
2005 |
China |
OEM permanent magnets (NdFeB/SmCo/AlNiCo/Ferrite) with custom magnet solutions; supports prototype-to-production supply. |
|
DailyMag / BeMagnet |
2005 |
China |
OEM NdFeB magnets + customized magnet assemblies/tools; positioned as a one-stop supplier for many magnet product types. |
|
AEMagnets |
2021 |
China |
OEM/ODM magnet design + manufacturing services; covers NdFeB and other magnet materials plus magnetic components for global buyers. |
#1. MainRich Magnets
Type of Business: Neodymium (NdFeB) magnet manufacturer and supplier, also offering magnetic assemblies and rare-earth material supply chain services.
Location: China
Year Established: 1992
Manufacturer Introduction
MainRich Magnets presents itself as a neodymium magnet supplier with "three decades" of experience, focused on both custom and standard NdFeB magnets.
Its website emphasizes a full-service supply chain, describing coverage from raw material to ready components, rather than only selling finished magnets.
MainRich also highlights customization support for key buyer specs such as size, grade, coating, tolerances, and magnetization direction, which fits OEM sourcing needs.
Business Scope
Neodymium (NdFeB) magnets (standard shapes and custom designs).
Magnetic assemblies and custom magnet solutions for industrial applications.
Other magnet materials (e.g., ferrite and SmCo) and related industrial magnet solutions.
Rare-earth related products (presented as part of its supply chain offering).
Recommended Reason
MainRich is a solid OEM shortlist option if you want a supplier that clearly communicates custom spec control (grade/coating/tolerance/magnetization) and a supply-chain-style capability beyond basic catalog magnets.
#2. Great Magtech
Type of Business: OEM/wholesale supplier and manufacturer of permanent magnets and magnetic products.
Location: China
Year Established: 2015
Manufacturer Introduction
Great Magtech is a manufacturer specializing in the research, development, and production of permanent magnets for various industries worldwide, and also provides OEM and ODM customization services.
Great Magtech has a comprehensive quality control system and a testing laboratory equipped with measurement and testing equipment. The quality control department consistently maintains high-quality standards and meets customer requirements. The company also positions itself as export-oriented, stating it provides global export services and serves customers worldwide.
Business Scope
Neodymium magnets and other permanent magnets.
Magnetic assemblies.
Industrial magnetic equipment.
Recommended Reason
Great Magtech is a strong option if you need an OEM supplier that clearly supports custom magnet/assembly projects and also offers industrial magnetic systems (separators/chucks) under the same company.
It also stands out for explicitly describing its QC/testing-lab setup on its own website, which helps buyers evaluate process seriousness before sampling.
#3. ND Magnets
Type of Business: Sintered NdFeB (neodymium) magnet manufacturer and magnetic assembly supplier.
Location: China
Year Established: 2004
Manufacturer Introduction
ND Magnets positions itself as a rare-earth magnet manufacturer that focuses on researching, manufacturing, application, and marketing of sintered NdFeB magnets, and also lists itself as a rare-earth magnet exporter. The supplier's specific land area and production capacity data include factory area (158,700 square meters) and production capacity (10,000 tons/year).
The presentation highlighted research and development directions and technological advancements, such as the collaboration with the Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (NIMTE), on developing low-dysprosium, high-coercivity neodymium-iron-boron magnets. The historical section also mentioned the commercial application of grain boundary diffusion technology.
Business Scope
Customised sintered NdFeB permanent magnets.
Laminated neodymium magnets.
Radially oriented ring magnets.
Magnetic assembly/system products.
Recommended Reason
If you want an OEM-style NdFeB supplier with clearly stated factory scale and capacity, ND Magnets is a strong shortlist candidate.
This supplier stood out by presenting a comprehensive R&D narrative (NIMTE collaboration + diffusion technology), which helps buyers assess the technological depth before sample testing.
#4. GME Magnet
Type of Business: OEM wholesale supplier of permanent magnets and magnetic products.
Location: China
Year Established: 2015
Manufacturer Introduction
GME Magnet is an OEM (Original Equipment Manufacturer) wholesale supplier specializing in permanent magnets and magnetic products. The manufacturer describes its production process, covering magnet manufacturing and post-processing steps. It also provides an overview of its "production equipment," showcasing the equipment used for raw material and magnet production (such as melting/casting, crushing/grinding, forming/pressing, and vacuum sintering), as well as processing techniques like grinding and cutting.
To improve product surface finish and durability, GME Magnet also showcases an automated electroplating production line as part of its manufacturing capabilities. In terms of quality control, the supplier has a testing laboratory and quality control department and lists the testing instruments available in its facilities, including salt spray and PCT testing.
Business Scope
Magnets: Neodymium (NdFeB), SmCo, Alnico, flexible magnets, injection-bonded magnets, and application-focused magnets (e.g., motor/wind turbine magnets).
Magnetic assemblies: Pot magnets, rubber-coated magnets, magnetic name badges, and custom assemblies.
Magnetic separation products: Magnetic bars/plates/hoppers, drawer magnets, rotary magnetic separators, electromagnetic separators, etc.
Recommended Reason
GME Magnet is a strong OEM shortlist option if you want a supplier that shows real production capability and equipment depth (including plating and testing), not only a product catalog.
It's also useful for buyers who want a single supplier to cover NdFeB magnets, assemblies, and separation products under a single company.
#5. SDM Magnetics
Type of Business: Permanent magnet manufacturer and magnetic systems/assemblies supplier.
Location: China
Year Established: 2004
Manufacturer Introduction
SDM Magnetics has been manufacturing a wide range of high-quality permanent magnets since 2004, serving markets such as automotive, industrial automation, consumer electronics, green energy, home appliances, and aerospace. SDM emphasizes its strong supply chain capabilities, thanks to a strategic partnership with Aluminum Corporation of China (Chalco), a major Chinese rare earth mining company. The company also highlights its highly automated production processes and advanced R&D laboratories. In terms of quality management, it holds IATF 16949 and ISO 9001 certifications, and provides declarations of compliance with RoHS/REACH/SGS standards. As a Tier 2 supplier to General Motors since 2010, the company has achieved a "0 PPM" (zero parts per million) quality performance.
SDM has also published a quality inspection guide and a "Testing Equipment" section, detailing the final inspection processes for dimensions, appearance, magnetic properties, and coating performance.
Business Scope
Permanent magnets: neodymium (NdFeB), samarium cobalt, ferrite, bonded magnets, hot-pressed magnets, and AlNiCo.
Magnetic systems/assemblies: magnetic assemblies and application-oriented magnetic systems (e.g., couplings, motor assemblies, pot magnets, rubber-coated magnets).
Recommended Reason
SDM is a strong OEM shortlist option if you want a supplier that clearly communicates automation + R&D capability and publishes specific quality/market positioning on its own website.
It's also suitable when your sourcing needs go beyond basic NdFeB blocks and include engineered magnetic systems and assemblies.
#6. TYMagnets
Type of Business: OEM-oriented custom magnet and advanced magnetic assembly supplier
Location: China
Year Established: 2014
Manufacturer Introduction
Tengye Company is a solutions-oriented magnet company that collaborates with engineers early in the product development process to jointly develop and manufacture magnets and complex magnetic assemblies. They emphasize a technology and application-driven approach, rather than simply catalog sales, including providing support for prototyping and small-batch production of high-end magnetic components.
In terms of manufacturing/processes, Tengye highlights its capabilities in plastic-integrated magnet manufacturing, such as overmolding, insert molding, and ultrasonic welding, complemented by custom mold manufacturing. This enables them to undertake integrated OEM projects requiring the integration of magnets with plastics/components.
Regarding materials, the company states that its neodymium iron boron and samarium cobalt magnet business focuses on high coercivity and high-temperature stability materials to meet demanding application requirements.
Business Scope
Neodymium (NdFeB) and SmCo magnets, with an emphasis on demanding applications.
Advanced magnetic assemblies and contract assembly services.
Plastic-integrated magnet solutions for integrated OEM components.
Application-focused products, such as magnetic couplings.
Recommended Reason
TYMagnets (Tengye) is a strong shortlist choice if your project needs more than "standard NdFeB blocks"-especially when you need OEM support for integrated assemblies (magnet + plastic + tooling + assembly) and early-stage engineering collaboration.
#7. HGT Advanced Magnets
Type of Business: Rare-earth magnet manufacturer and supplier.
Location: China.
Year Established: 2010
Manufacturer Introduction
HGT Advanced Magnets positions itself as a China-based magnet manufacturer specializing in rare-earth permanent magnets, specifically NdFeB and SmCo, with an emphasis on meeting custom magnet requirements for global customers.
Business Scope
Neodymium (NdFeB) magnets (custom magnets and application-driven formats).
Samarium cobalt (SmCo) magnets and other rare-earth magnet solutions.
Recommended Reason
HGT Advanced Magnets is a solid shortlist option if you want an OEM-style supplier that clearly focuses on rare-earth magnets (NdFeB/SmCo) and backs the offer with process + QC + R&D pages on its official site.
#8. HS Magnet
Type of Business: Permanent magnet manufacturer and custom magnet assembly supplier.
Location: China
Year Established: 2005
Manufacturer Introduction
This supplier boasts a 20,000-square-meter production base and states that it is equipped with advanced manufacturing and testing equipment for producing various permanent magnets. They also emphasized their advantageous geographical location, noting its proximity to Hangzhou Xiaoshan International Airport, which facilitates global cargo transportation. HS Magnet operates on a design, production, and sales integrated model, enabling them to meet customers' customized needs with OEM-level responsiveness.
Business Scope
Permanent magnet materials: Neodymium (NdFeB), AlNiCo, SmCo, ferrite, and FeCrCo.
Custom magnet assemblies and components.
Recommended Reason
HS Magnet is a strong OEM shortlist option if you want a supplier that publicly states its facility scale and emphasizes end-to-end manufacturing + testing capability on its own website.
It is also a good fit when you need both NdFeB magnets and engineered assemblies from the same supplier, with clear logistics/contact transparency for export orders.
#9.Dailymag
Type of Business: Manufacturer and OEM supplier of permanent magnets, magnetic assemblies, and magnetic tools.
Location: China
Year Established: 2005
Manufacturer Introduction
Dailymag is a "one-stop" supplier covering permanent magnets, magnetic assemblies, and magnetic tools, and explicitly states its focus on serving global customers. With an annual production capacity of up to 1000 tons and over 100 design patents, the supplier demonstrates its capability to handle large-volume orders.
Dailymag also showcased its automated production equipment, including automatic weighing/feeding/pressing, jet milling, 100% automatic magnetic flux detection, and automatic magnetization, ensuring stable OEM production capabilities. Regarding its quality system, Dailymag stated that it has established a comprehensive quality management system and listed multiple certifications on its "Quality and Safety" page (including ISO 14001/ISO 9001/IATF 16949/EN9100/ISO50001).
Business Scope
Neodymium (NdFeB) magnets
Other magnet materials, such as ferrite, alnico, and rubber magnets
Magnetic assemblies
Recommended Reason
BeMagnet is a strong OEM shortlist option if you want a supplier that publicly communicates capacity + automation, and also offers a wide mix of NdFeB magnets + assemblies + tools under one brand.
#10. AEMagnets
Type of Business: Permanent magnet design and manufacturing company, supplying custom-made magnets and magnetic components.
Location: China
Year Established: 2021
Manufacturer Introduction
Founded in 2021, AEMagnets was established by a team with extensive experience in the magnet industry and is committed to becoming a supplier focused on design and manufacturing. As a permanent magnet manufacturer based in China, AEMagnets highlights its advanced manufacturing and testing equipment on its quality-related pages and showcases its structured product control methods for neodymium iron boron products.
Business Scope
NdFeB (neodymium) magnets (custom to specification).
SmCo magnets.
AlNiCo magnets.
Ferrite magnets.
Bonded magnets, soft magnetic materials, and magnetic components.
Recommended Reason
AEMagnets offers a wide range of material options (Neodymium Iron Boron/Samarium Cobalt/Alnico/Ferrite) and magnetic components, which is very convenient if you need to source multiple types of magnets from a single supplier. AEMagnets is an excellent choice for OEMs seeking a supplier with exceptional capabilities in both design and manufacturing (not just trading), and who can provide detailed magnet knowledge and resources to help them quickly select the appropriate grade, shape, and application solutions.
FAQs
Q: What details should I send to get a fast neodymium magnet quote?
A: Send: magnet grade (e.g., N35–N52, H/SH/UH), size or drawing, coating (NiCuNi, Zn, epoxy, etc.), magnetization direction, tolerance, quantity, and working temperature.
Q: What is the biggest risk when buying NdFeB magnets?
A: Choosing the wrong grade or coating for your real conditions. Heat, corrosion, and impact can cause early failure if the spec is not right.
Q: How do I compare two NdFeB suppliers quickly?
A: Use the same checklist: grade range, coating options, tolerance control, QC steps, sample process, lead time, and how they handle replacement/claims.
Q: What's the difference between OEM and ODM for magnets?
A: OEM means the supplier makes magnets to your drawing/spec and your packaging/label. ODM means the supplier offers a ready design (like a common magnet assembly) and you customize details.
Q: What if my application is high-temperature or high-corrosion?
A: Tell the supplier your maximum working temperature and environment. You may need higher-temperature grades (H/SH/UH) and better coatings or sealing solutions.
Q: What is the difference between N42 and N52?
A: They are different strength grades. N52 is stronger than N42, but it may not be the best choice for high heat or harsh environments. Always match grade to temperature and use conditions.
Q: Can suppliers make very small or very thin magnets?
A: Many can, but thin parts are easier to break and harder to coat evenly. Ask the supplier if your design needs special handling, plating, or inspection.
Conclusion
A "Top 10" list is a shortcut, not a final answer. These neodymium magnet manufacturers are not ranked, and there is no simple "best" or "worst." The right supplier is the one that matches your application, your quality needs, and your delivery plan.
Before you choose, get clear on the basics: magnet grade, coating, tolerance, magnetization direction, working temperature, and the type of product you need (loose magnets or assemblies). Then compare suppliers by how well they communicate, how they handle samples, and how stable their repeat production is.
If you want an OEM partner that focuses on neodymium (NdFeB) magnets and magnetic assemblies, Great Magtech can support your project from spec confirmation to production and export delivery.
