1. Shrink packaging machine is suitable for the round bottle, square bottle, canned products. 2.The heat shrink tunnel temperature is controlled separate. It can be adjusted the amount of air and shrink position. 3.Conveyor is made by stainless steel. The conveyor speed is for highly stable and smooth. 4.Heat shrink tunnel height is adjustable. Conveyor speed is adjustable. 5.Heat shrink tunnel can be combined with the sleeve labeling system or auto production process.