... . This machine also runs a whole procedure of paper-feeding , bowl-fan-wall sealing, oiling, bottom punching, heating, rolling, rimming, ... and tripping. It is an idea equipment of producing soup bowl, bigger paper cups and other large food cone-shaping ... controlled transducer,Step-less speed adjustment,Paper Bowl-fan-wall body sealed by Ultrasonic System,Paper Bowl bottom sealed by heater (or hot ...