1. Good stability, low noise
2. Practical and convenient
3. Low efficient compressor, faster molding
4. Refrigeration system, high efficiency, small power consumption
5. Stainless steel handles or plastic handles
6. Downtime setting function
7. Hardness adjustment function
8. Motor-value correction function
9. Digital speed control, hardness percentage display
10. Fault alarm: Shut warning, belt slippage alarm, refrigeration failure alarm, playing material switch failure alarm, high temperature alarm, etc.
11. R22/R134A/R404A refrigerant
12. A variety of colors
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