• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Chongqing, China (Mainland)
  • Brand Name: seatrend
  • Model Number: n35-n52
  • Type: Permanent
  • Composite: NdFeB Magnet, NdFeB Magnet
  • Application: Industrial Magnet
  • shape: bar,ball,strip,stick,coil,block,sheet..
  • Grade: N35, N38, N40, N42-N52,(M,H,SH,UH,EH)
  • Platings: Ni,Zn,Au,CU,Chrome,..
  • size: customized
  • magnetic properties: Sintered NdFeB Magnets / Bonded NdFeB Magnets
  • Tolerance: +/-0.05mm,+/-0.1mm, +/-0.15mm
  • Maximum Working Temperature: 80°C(176°F)-220°C(428°F)
  • Directions of Magnetization: Axially/Diametrally/Multi-poles/Customzied specific requirements
  • Product: Speaker Magnet
  • Shape: Sheet

Packaging & Delivery

Packaging Details demagnetize packing box (for Air and Express) and normal packing box for sea.
Delivery Time 15-30days

Product name: Gold Supplier Rare Earth Permanent Neodymium Iron Boron Strong Large Speaker Magnets

ring Magnet Specification: 

 1.Shape:Ring, customized design (design proper magnets for clients specific requirements) 

2.Coating: Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

Surface Treatment Of NdFeB Magnet
Zn    Suitable for common environment
Double Nickle Layer Suitable for dew atmosphere and can be stably used for a long time
NiCuNiIt has a stronger protection,adhesive ability and longer working life-span
EpoxySuitable for severe corrosive environment



Suitable for the situation of short-term transportation and storage
Gold Used for high level electronic equipments and decoration

3. Grades Range: N35-N52; N35M-N50M; N35H-N48H, N35SH-N45SH; N30UH-N40UH, N30EH-N38EH

                                  -The grade like N48-N52 could meet your requirements on strong power

                                  -Standard one like N35 or N40 is okay for your normal applications

4.Maximum Working Temperature:

N35-N52,     80°C(176°F)

35M-50M,     100°C(212°F)

35H-48H,    120°C(248°F)

35SH-45SH,  150°C(302°F)

33UH-40UH,  180°C(356°F)

33EH-38EH,  200°C(392°F)

28AH-35AH,  220°C(428°F)


+/-0.05mm for small dimensions,

+/-0.1mm for common specifications,

+/-0.15mm for big blocks

6. Directions of Magnetization:

a. Axially Magnetized

b. Diametrally Magnetized

c. Radial Magnetized

d. Multi-poles magnetized

e. Customzied specific requirements magnetized 

 Axially Magnetized and Diametrally Magnetized


Technology Advantage: We have professional technical staff, the remarkable technology research center, large scale production factory

Price Advantage:We take The centralization, scale production, reduce the cost . In the same quality products,our price is cheaper than industry average.


Sintered Ring NdFeB Magnets are widely used in many fields, such as motors, sensors, microphones, wind turbines, wind generators, VCMs in hard disk drives, printer, switchboard, loudspeakers, magnetic separation, magnetic hooks, NdFeb Ring Magnet, magnetic holder, magnetic chuck, common daily use, and so on.



Cheapest shipping:


Our factory:

Product Certification:

This information is verified bycompany. 

If you want to know more about Speaker Magnet , please don't hesitate to contact us.

Relevant product

Magnetic Ring



Neodymium Magnet



Magnetic Block



Disc ndfeb magnet



Magnetic Ball





Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
10 Transactions 20,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $373,000
Learn More