Another key component inside the motor is the rotor.
These two rotors look exactly the same on the outside.
But in fact, one is a 470-grade rotor,
and the other is a 600-grade rotor.
The 470-grade rotor has higher purity,
provides greater torque and better efficiency,
and therefore makes the motor deliver stronger performance in real use.
The tricky part is:
These differences cannot be seen just from the outside.
Only through professional testing and reports can you tell the real quality.
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