... sleeve machine ZWT-35 adopt the frequency inverter to adjust the speed, auto paper feed, ultrasonic welding, and double cylinder ... auto gluing and down the cup then form a double wall paper cup and paper bowl, the whole action ... 9-35oz, by change different mouldmaterial240-350g PE or double PE coated paperspeed45-50pcs/minvoltage220V 1 phase or 380V ... ZWT-35) ripple paper cup outer sleeve making machine