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Shanghai CJ Magnet Industry Co., Ltd.
Shanghai CJ Magnet Industry Co., Ltd. Manufacturer---NdFeB Magnet, Ferrite Magnet, Alnico Magnet, SmCo Magnet
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Grade N52 Neodymium Ring Magnets High Power Rare Earth Magnets For Speaker

Grade N52 Neodymium Ring Magnets High Power Rare Earth Magnets For Speaker

Brand Name : CJ MAG
Model Number : CJ 507
Certification : ISO9001 ISO14001 ISO/TS16949
Place of Origin : Shanghai
MOQ : 100/1000/10000pcs
Price : USD0.001-50/pc
Payment Terms : T/T, Western Union
Supply Ability : 1500 ton per year
Delivery Time : 7-15 work days
Packaging Details : standard sea or air package
Our own factory : two factory, one in Anji near by Shanghai and Hangzhou, another in Ningbo
Our advanced equipment : introductions from Germany and Japan, such as ICP, HAST chamber,etc Laser Particle Analyzer etc.
Our technicians : have over 10 years work experience
Key words : neodymium magnet
Usages : wind power, EPS system, new energy automotive, electroacoustic device, magnetic separator,electric tool,MRI, VCM,CD-ROM drive , micro motor,etc
Shape : segment, ball, block, ring, sheet, stick, strip, arc, cylinder, etc.
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Ring Shape High Power rare earth magnets n52 Used In Speaker

High quality N52 super power permanent neodymium magnet in silver bright

What is Rare Earth Magnet

Neodymium magnets are actually composed of neodymium, iron and boron (they are also referred to as NIB or NdFeB magnets). The powdered mixture is pressed under great pressure into molds. The material is then sintered (heated under a vacuum), cooled, and thenground or sliced into the desired shape. Coatings are then applied if required. Finally, the

blank magnets are magnetized by exposing them to a very powerful magnetic field in excess

of 30 KOe.


MaterialNeodumium, NdFeB
TechnologyUtilizes new Sintered NdFeB magnet techniques and equipment such as strip casting, HDDR technology
Magnetic propertiesHigh coercive force, the max operation temp is up to 200 degree centigrade or 380 curie temperature
GradesN33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH and 30EH-35EH
Shapes and sizesVarious kinds or according to customers' request
CoatingNi, Zn, and so on
Magnet ApplicationsWidely used in different applications, such as toy fun , sensors, motors, rotors, wind turbines/wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on.
Quality ControlISO9001.2008 Approved
TransportationAll available shipping ways could be applied ,by courier ,by air or by sea . Appinted shipping company or our own forwarders all could be used in shipment . Full-way tracking the cargos for you before th good arrival.



1. Used in Industrial ares:

motors, dc motors, sensors;

generators, wind turbine generators, wind energy,

elevator tractions, pumps, car, home appliance etc.

2. Used in Home and office areas:

Loudspeakers, radios, etc.

3. For customer Diy


Produce NdFeB magnet since 2002, and 8 years export experiences makes us well serve our

clients. we are factory( our factory here for you check:Tenshi Lake Industry Zone, Anji County,

Zhejiang province, china), control every process, ensure lowest price and good quality and

best service for you, we best service 24 hour online.


When connecting two magnetic buttons, draw them close to each other slowly and gently. Hard crushing would cause damage and cracks in the magnetic material.

Magnets are made from Neo Neodymium Magnet material and have unbelievable magnetic performances.

Product Tags:

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Grade N52 Neodymium Ring Magnets High Power Rare Earth Magnets For Speaker Images

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