01 high power, small size, pure aluminum casting case, good heat dissipation, low temperature rise, no magnetic leakage, long motor life 02 All aluminum shell: The use of metal aluminum shell, the appearance of the streamline shape, can better play a protective role, the appearance of more beautiful, 03 All-copper wire with real material: The use of all-copper wire, and then the application of more safe and reliable, to extend the life of the line 04 Seamless shell: Seamless internal welding, external plus argon arc spot welding, thickened steel plate thickness, professional polishing and spraying, anti-fall, strong and , beautiful and generous 05 Bearings: This process is the key link of this machine to ensure the stability of the test