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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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Most Powerful Countersunk Neodymium Magnets Used In Speakers / Car Motors

Shanghai CJ Magnet Industry Co., Ltd.
Shanghai CJ Magnet Industry Co., Ltd.
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-52661981
Contact Person:
Mrs Amy

Most Powerful Countersunk Neodymium Magnets Used In Speakers / Car Motors

Brand Name : CJ MAG
Model Number : CJ385
Certification : ISO9001 ISO14001 ISO/TS16949
Place of Origin : Shanghai
MOQ : 100/1000/1000PCS
Price : USD0.001-50/PC
Payment Terms : T/T, Western Union
Supply Ability : 1500ton/tons per year
Delivery Time : 7-15 work days
Packaging Details : standard sea or air package
Our strong R&D team : has magnetic experts with more than 30 years experience
Our technicians : have over 10 years work experience
Key words : 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.
Coating : Ni, Zn, gold, sliver, epoxy and passivated
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Most Powerful Countersunk Neodymium Magnets Used In Speakers / Car Motors

powerful Countersunk Neodymium Magnets can be used in car motors speakers for wholesale


1 Description & Specification


Sintered NdFeB magnetStrong permanent magnet with magnetic properties
GradesN33, N35, N38, N40, N42, N45, N48, N50, N52, (M, H, SH, EH, UH AH)
Sizescustomized
ShapesDisc, cylinder, sphere, block, ring, tile, arc, and other irregular shapes
Tolerance+/-0.05mm unless specified.
Magnetized directionThrough thickness, diameter, axial, etc
Maximum working temperature80 to 240degrees C
Delivery timeWithin 7-30 days when order confirmed
Package Condition

Standard air/sea protective package, unless specified.



2 Coating


surfacecoatingcolorThickness(um)SSTPCT
NickelNI(NICUNI)Bright silver10-20>24-72>24-72
Cr3+ZincZn/C-Zn5-8>16-48
SnNI+CU+NI+Snsilver10-25>36-72>48
EpoxyEpoxyBlack/grey10-20>48
PassivationDark gray1-3Temporary protection
PhosphateDark gray1-3Temporary protection

3 manufacture process


Main steps:

1 raw material ready

2 strip casting

3 hydrogen broken

4 jet milling

5 magnetic pressing

6 sintering

7 magnetic property test

8 machining

9 electroplating

10 inspection

3 Features


1beautiful designs


2 high perfermance


3 Eco-friendly Material , Durable Structure ;


4. Advanced Machines ;


5. Fast Delivery , Efficient Communication ;


6. Factory Direct Sale , Good Quality and Competitive Price ;




4 why choose us


1 we have professional design produce and sales teams.


2 we have professional and advanced machines


3 our products are all in high quality


4 we have good after-service


5 all manufacture steps can be finished by our own.


5 FAQ


1. When can i get the reply for my inquiry ?
Your inquiry would received our prompt and satisfactory reply within 4 hours during our working time .If you are very urgent to get the price, please call us so that we will regard your inquiry priority .

2. About quotation ?
We will present out detailed competitive quotation in an excel form including information such as the packing and delivery time as well as reasonable terms and conditions to you .

3. How about the inspection ?
A. The goods will be inspected by our high - trained QC regardless to the quantity before shipment .
B. Any problems during the inspection will be informed by us .
C. Inspection by your side will be highly welcomed if possible and necessary .
D. Prompt delivery are ensured . For any reason that we can not deliver the goods on



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