
- High-speed and stable operation, the rotor and the motor shaft are matched with high-precision cones, high concentricity, and low operating noise - Both the upper cover and the lower shell adopt high-strength metal protective rings, which have high structural safety and ensure the safe operation - of the rotor at high speed - The invention patent of the upper cover safety lock ensures the safety during operation. It automatically pops up after the operation is completed, and

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