Specification:Automatic control adopts optically controlled non-contact switch,Micro-controlled transducer,Step-less speed adjustment,Paper Cup-fan-wall body sealed by Ultrasonic System,Paper Cup bottom sealed by heater.Full automatic,Easy changing molds produce different sizes paper cups,Easy operating by operator (one operator is enough),Easy maintenance with minimum cost,Cheap operating cost and low investment,Amelioration:Air compressor aren't required for this type paper cup machine when the paper weight under 300gsm.