The magnetic steel is high grade,we usually use the SH level type. The rotor is be coated,reduce burrs,working smoothly,less noise. We test the stepper motor parts step by step.Stator is be test and rotor is be test before assemble. After we assemble the stepper motor, we will do one more test for it, to make sure the quality is good., Manufacturer: CFWWSAQ
The magnetic steel is high grade,we usually use the SH level type. The rotor is be coated,reduce burrs,working smoothly,less noise. We test the stepper motor parts step by step.Stator is be test and rotor is be test before assemble. After we assemble the stepper motor, we will do one more test for it, to make sure the quality is good., Manufacturer: CFWWSAQ
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