
1. Ordinary economy type 12038;
2. It can be used as hydraulic bearing and dual ball bearing models.
3. This model is suitable for 12W energy consumption products.
4. This model is suitable for systems with low impedance and active heat dissipation.
5. The output of P&Q products is small.
6. Good comprehensive performance.

1. Special enhanced type 12038(Class 1);
2. Only made with ball bearing system;
3. This model is recommended to make energy consumption products within 30W.
4. This model is suitable for heat dissipation system with high system impedance.
5. P&Q output of the same model, superior level;
6. Excellent body strength and performance stability
7. Excellent comprehensive performance, especially suitable for bitcoin miner.
1. Enhanced type 12038(Class 2);
2. Recommended to be made with dual ball bearing system.
3. This model is recommended to make energy consumption products within 24W.
4. This model is suitable for heat dissipation system with medium and high impedance.
5. P&Q output in the same model, medium and upper level;
6. Excellent comprehensive performance;
1. General enhanced type 12038(Class 3).
2.Recommended to be made with dual ball bearing system.
3. This model is recommended to make energy consumption products within 15W.
4. This model is suitable for heat dissipation systems with medium system impedance and certain requirements.
5. P&Q output in the same model, middle and lower level;
6. Excellent comprehensive performance.