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Wireless Telephone Disk Ferrite Magnet

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Company Profile

Shenzhen Topmag Technology Co., Ltd.

By certification [File Integrity]

Contact: duopuli(Mr.)  




Area: Guangdong

Address: Guangdong

Website: http://www.topmaght.com/ http://duopuli.west114-xa.com/

Product details

Ferrite Magnets

An Introduction to Ferrite Magnets (also known as Ceramic Magnets)

The Ferrite permanent magnet is also known as a Ceramic Magnet and even as hard ferrite magnet. The name is interchangeable but they all refer to exactly the same material type. They are known as Ceramic Magnets because they are electrically insulating. Ferrite permanent magnets exist in two forms - Strontium Ferrite magnets and Barium Ferrite Magnets. The Strontium Ferrite Magnets is the most common.

Ferrite magnets are darker grey in colour and are often referred to as having a “pencil lead” appearance.

Ferrite / Ceramic permanent magnets are technically known as hard ferrite materials (when exposed to a brief external magnetic field, the material retains magnetism due to having high coercivity, Hc). They are not the same as soft ferrite materials as used in transformer cores (which do not retain magnetism after exposure to a brief magnetic field because soft ferrite materials have low coercivity). The high coercive force of Ferrite Magnets means they are classified as hard materials, like all the other permanent magnets.

Ferrite magnets are extremely popular due to their characteristics. Ferrite magnets are corrosion free – for long term performance they are superb; if looked after they are capable of exceeding most products lifecycles. Ferrite magnets can be used up to +250 degrees C (and in some cases up to +300 deg C). Ferrite magnets are also low cost, particularly in high volume production runs. We offer 27 grades of ferrite permanent magnet.

This website overviews Ferrite Permanent Magnet production and the characteristics of Ferrite Permanent Magnets. From this you should be able to determine your Ferrite magnet requirements (or we can help you if you need more assistance). And we can then provide you with a quotation for your magnet specification.

We supply Ferrite / Ceramic magnets globally to all industries, including Automotive, Aerospace, Military, Advertising, Design House, Electronic and Academic/R&D. If you require a bespoke Ferrite / Ceramic magnets or magnetic assembly, Technical Support or our Ferrite / Ceramic Magnet Technical Data Sheet, please contact us. If you need a quotation for an existing magnet shape or a bespoke shape, please contact us. As our production facility is in China, we offer a highly competitive price.

Topmag Technology Co.,Ltd is a dedicated and specialist supplier of permanent magnet, we have an experienced sales team and offer a continuous technical department to follow customer's technical requirement. Our annual output of magnet is over 5000 tons.

Product Specification

1. Material: SrO, BaO, Fe2O3.

2. Grade: Y10T, Y20, Y25, Y30, Y35, C5, C8, C11, Y30BH

3. Shapes: Arc, Tile, Block, Bar, Ring, Cube, etc. as your request.

4. Certificates:  SGS, ISO9001:2000

5. Application: Wireless Telephone Disk Ferrite Magnet ammeter, audio, phone, TV, dynamo, Motors, Meters, Speakers, Sensors, Medical Machine prducts, Magnetic Sport products, etc.

Production Process


1) Cheapest magnet material

2) Good anti-corrosion performance

3) Excellent temperature stability

4) Best choice for industrial application

5) All shapes can be customized

6) Best After-service

We guarantee you satisfation with all our merchandise. If there is any problem of quality, we can revise it or remark it.

Standard Packing and Shipment

The package for ferrite magnet we use: Sea Pallet / Air Carton / Express Packaging / Plastic Tube / Wooden Case / Vacumm Package and any other packing terms as per your requirement.

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

Shipping Details:

A: If the weight of Disc Ferrite Magnet is under 100Kg, you can those four shipping companies. But you can also choose TNT, UPS, Fedex, DHL or any other shipping companies if you like. We'll use iron boxes to shield the magnetics force for air shipping.

B: When the weight is over 100Kg,we think sea shipping is more reasonable.,we have our own forwarder.

C: Anyway, we'll respect your choices.


Q: Are you trading company or manufacturer?

A: We are professional manufacturer of neodymium magnet and magnetic products over 15 years experience in China and as gold supplier over 8 years in Alibaba.

Q: Can i get samples?

A: Sure.We usually provide ready sample for free but you need to pay shipping costs or freight collect. If customized samples, we need to collect basic costs.

Q: How long is the sample lead time?

A: For ready samples, it's about 2-3days. If you require your own size,it takes about 7 days.

Q: How long is the production lead time?

A: Generally it is 5-10 days if the products are in stock. or 25-30 days if the goods are not in stock.

Q: Which kinds of certificate would you have?


Q: What is your terms of payment?

A: Total amount ≤ USD5000, 100% pay in advance. Total amount > USD5000, 30% T/T in advance, balance pay off before shippment.