shrink packing machine

Shrink packing is one of the best packing way in the world, it adopt shrink film,let product into the film,then heating it,film will be shrinked,after shrinking, the product??s appearance will become very beautiful,improving product??s value.After packing,the product can keep airtight,prevent from pollution/moisture,and can protect product from impact outside.furthermore,can prevent product from stealing.????This machine is used widely in light industry/food,drink/sugar/craft drawing/stationery /printing/medicine/chemistry industry/hardware/electronic,etc.