Permanent Magnet for Generator :  

About us:

Winchoice is an OEM manufacturer specialized in magnet since 1987. We have our own innovative andprofessional R&D department formed by tope universities in China. Our products enjoy great popularity in the West Europe,  the South East Asan, the North America, the South Asia, Japan and the area of Hong Kong-Tai Wan-Macao. Products manufactured by our own factory are as follow:

Magnetic Products: NdFeB, Ferrite, Flexible Magnet;

Magnetic Devices: Lifting Magnet, Magnetic Chuck, Magnetic Coupling,Motor Parts,Holding Magnet, Speaker Drivers.

Magnetic Machines: Megnetizer, Guass Meter.

Trading products: AlNiCo,SmCo,FeCrCo magnets.

Permanent Magnet for Generator:

 1.Material:  ndfeb, sico,ferrite etc..

 2.Technology: Sintering ,injecting,casting.

 3.Grades: From N35-N52, N35M-N50M,N33H-N48H,N30SH-N44SH,N28UH-N40UH,N28EH-N38EH,N28AH-N30AH.CustomerIed products are available.

 4.Coating: Ni, Zn, White-bule Zn, Expoy, Gold, Etc.

 5.Size: shapes and sizes can be made to your request.

 6.Sample: samples can be provided for free but you have to pay for the courier cost.

 7.Shipment terms: according to your request.

 8.Packing methods:According to the product performance  and your demand..

How do we keep top quality

question.1: How to control the magnetic property?

answer: 

1. our raw material supplied demestic regular factory like  Inner Mongolia BaoTou Steel Union co., ltd

2. after moulding, we have a process of oil press, details please check our video.

3. sintering process, we will not over load in  the oven.

4. after sintering, we will check every boxs by one pc.

question.2: how to control the tolerance?

1. before ginding and cuting, we inspection the black product tolerance.

2. before and after coating, we will inspection the tolerance by AQL standard

3. before delivery, will inspection the tolerance by AQL standard

question.3: how to guarantee the consistancy?

1. the sintering control will make sure the perfect consistancy.

2. we cut magnet by multi-wire sawing machine to guarantee the dimension consistancy.

question.4: how to control coating.

1. we have long term business relations and joint venture coatong factory

2. after coating, first inspection by visual, and second is salt spray test, nickel 48-72 hours, zinc 24-48 hours

question.5: how to control the packing

1. standard packing, 

2. the cartons must can be bear a man's weight.

3. the cartons must be well after fall down test from 1m high position. and the inner packing must not change position.

Pictures of Generator Magnet  :

Factory show

Certification