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1)Compressor: Aspera (Italy famous brand)
2)Expansion Valve: Danfoss (Denmark famous brand)
3)Counter with lock: calculatate and indicate how much ice cream has been sold, and with a key to reset the number.
4)Digital indicators: show the temperture of feed hoppers,the amount of ice cream you sold and the percent value of producing progress
5)Overload Protection: stop the machine if overload occurs automatically
6)Over pressure protection: protect the compressor from over pressure damage.
7)Lack of material alarm
8)Hardness adjusting function
9)Wash function
10)work normally in high ambient temperature
11)Optional Parts/Functions: air pump: get a high Overrun rate, lower cost; pre-cooling function;