This cream paste tube filling and sealing machine is also known as Automatic Ultrasonic Tube Filling Sealing Machine,or tube Sealer. There are mainly three models of the tube sealer, GFW40, GFW 60 and GFW 80. Major difference is the capacity, besides there are extra features optional, for example , fully cover, fully auto tube feeding, date printing , so on. Generally speaking this tube sealing machine is suitable for filling all kinds of pasty and viscous fluid and the materials alike, into plastic and composite metal tubes and then internally heating tubes, sealing and printing lot number. These machines are widely used in the industries of pharmaceutics, food , cosmetic and daily chemicals.