Strong Permanent N52 N55 Large Sensor Motor Permanent Ring Neodymium Magnet

$0.10 - $10.00
Min. Order
1 Piece
Quick Quotation
Company Information

Hangzhou Shengshideng Magnetics Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 120,000+
5 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Shanghai/Ningbo
Payment Terms: L/C,T/T,Western Union,Paypal
Supply Ability: 50000000 Piece/Pieces per Month magnet
Place of Origin: Zhejiang China
Brand Name: SDM
Model Number: N35-N52(H, M, SH, UH, EH, AH)
Type: Permanent
Composite: NdFeB Magnet
Shape: disc, cylinder, ring, arc, block, special shape
Application: Industrial Magnet
certification of magnet: ISO9001,ISO/TS16949,ROHS
Material: Sintered Neodymium-Iron-Boron
size: 1-200mm Magnet
magnet shape: disc, cylinder, ring, arc, block, special shape
grade: N35-N38(H, M, SH, UH, EH, AH)
color: golden,silver,black, blue,blue-white
magnet coating: NI-CU-NI, ZN, epoxy, Parylene
sample: available
Magnetism direction: Axial, Diametrical, Radial, Multipolar, Monopole
Name: Strong Permanent N52 N55 Large Sensor Motor Neodymium Ring Magnet
Packaging Detail: magnet package: Sea pallet/Air carton/Express packaging/Plastic tube/Wooden case/Shrink package Strong Permanent N52 N55 Large Sensor Motor Neodymium Ring Magnet


Strong Permanent N52 N55 Large Sensor Motor Neodymium Ring Magnet


Neodymium Magnet, including the N52 Neodymium Magnet, are customized, also the Neodymium Magnetic assemblies are also customized.  The grade we could produce is N35-N52(M,H,SH,UH,EH,AH). N52 Neodymium Magnet is the strongest grade, also is the most expensive. If you need the technical support about the N52 Neodymium Magnet, we could give you the best support.N52 Neodymium Magnet is popular in USA, in the market, there are also N54,N55, but N52 Neodymium Magnet is most common. In the Market, now many customers use N50 Neodymium Magnet instead of N52 Neodymium Magnet to save the cost. 









Product Description

SDM Permanent N52 Neodymium Magnet is customized as per your design. The grade of magnet is N35-N52(M,H,SH,UH,EH,AH). N35 neodymium magnet is the most common grade and used widely. If there is no idea of grade, we can recommend you the suitable grade as per the working environment and temperature of permanent magnet. As having strategy cooperation with CHINALCO, our permanent magnet price is very competitive. 

If you need any techique information, please contact us skype kim-sdm or phone 15067170139. 

CoatingNiCuNi, Zn, Cu, Gold, Epoxy, Teflon, Parylene, Plastic, Rubber, 
Magnetized DirectionAxial, Thick, Radial, Multipole, Diametrical




1.SDM Trade Assurance

We have USD56000 Alibaba Trade Assurance. Each of your transaction for neodymium magnet will be well protected.


2.SDM Advantages: 

A. Strategic cooperation with China’s No.1 rare earth miner CHINALCO, which enables us strong and safe 

     backup for rare earth raw materials cost stability, 3 x -3% annual price down guaranteed.

B. ISO/TS 16949, VDA 6.3, ISO9001, ISO14001 certified company, RoHS, REACH, SGS, FDA complied product.

C. 0 PPM performance for General Motor's OEM since 2010, remarkable customers such as SIEMENS, 


D. Over 100 million magnets delivered to American, European, Asian and African countries.

E. One stop service from R&D to mass production.

3.SDM Quality Assurance 

As a professional neodymium magnet manufacturer, we are certified by ISO9001:2008, ISO/TS16949:2009, RoHS, REACH, TUV, SGS


4.Grade,Coating and Magnetization Direction of N52 Neodymium Magnets and Neodymium Magnetic Assemblies.

      • Grades: N35--N52, N35M--N50M, N35H--N48H, N35SH--N45SH, N28UH--N42UH, N28EH--N40EH Neodymium Magnet

       Coating: Ni-Cu-Ni, Black Nickel, Zn, Sn, Au, Ag, Black Epoxy, Phosphated for all N52 Neodymium magnet and neodymium magnetic assemblies.

 Magnetization Direction for N52 Neodymium Magnet and Neodymium magnetic assemblies.


5. SDM Magnetic Reliability

Demagnetization Curves and inspection report for each order for permanent neodymium magnet.


Packaging & Shipping

1.Package: Vaccum Bag, White box, Carton, Wooden case; Special Package: Plastic tube, Paper

2.Contract price with FedEx, DHL, UPS and TNT over 7 years to minimum your shipping cost.

3. Experienced shipping forwarder for Ocean and Air shipments. When the Net weight of the N52 Neodymium magnet is over 200Kg, by sea is the best way.






Company Information

 Company name: Hangzhou SDM Magnetics Co., Ltd

Foundation: Since 2004

Location: Hangzhou, China

Products: Sintered&Bonded NdFeB, Cast&Sintered Alnico, Sintered SmCo Magnets and relevant Magnetic Assemblies.

Certification: ISO/TS16949, RoHS, REACH, SGS

Customers: GM, BMW, BENTLY, SIEMENS and REGAL BELOIT and etc.


SDM Magnetics Co., Ltd. is a leading Chinese manufacturer of high performance neodymium magnets and neodymium magnetic assemblies with ISO9001:2008, ISO/TS 16949 and ISO14001 certificates. SDM serves a variety of markets from consumer electronics, industrial automation, automotive, green energy, household appliances, medical, aerospace and telecommunications. SDM’s magnets are used in motors, speakers, generators, sensors, compressors, MRI, magnetic chucks and separators etc. N35 Neodymium Magnet is widely used in all industry.

To meet the more and more demanding markets, SDM has been concentrating on manufacturing technologies for quality stability and cost reduction. Since 2010 the company has been supplying magnets to General Motors’ OEM with 0 PPM. With Dysprosium infiltration technology, we are able to offer competitive prices for high grade Neodymium magnets. The company has also built up a strategic cooperation with China’s No.1 rare earth miner CHINALCO, which gives us strong and safe backup for rare earth raw materials.



8.Exhibitions of N52 neodymium magnet

    CWIEME BERLIN  Germany           HANNOVER MESSE  Germany                 CWIEME CHICAGO  USA

You're more than welcomed to visit us at above exhibitions every year. We'd like to meet you face to face.



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1:How long will you give me the reply?

we will contact you in 12 hours as soon as we can.

2:Could I get samples?

Yes,we have magnetic materials in stock to help you to get the samples as soon as we can.

3:Could you provide me the shortest lead time?

We have magnetic materials in our stock,if you need,you can tell us and we will try our best to satisfy with you.

4:Could I visit your factory?

Of course,if you need we will help you to visit our factory.

5:If I have paid,when will you help me to produce?

When we have received the money, we will give you the receipt and arrange to produce immediately.