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Earth
Magnets has set strict quality assurance
system. For the high quality, specialized service team and management
system adhere strictly to the ISO 9002 standard.
| The
main testing process include: |
| 1. |
Raw material testing: the composition of each kind of raw material.
|
| 2. |
Magnetic powder testing: the content of oxygen and the analysis
of average granularity. |
| 3. |
Blank testing: the content of oxygen and the dimension. |
| 4. |
Semi-finished product testing: the content of oxygen, the density,
and the tolerance of dimension, magnet properties and crystal
grain. |
| 5. |
Plating test: the thickness of layer and salt fog spray test.
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