Scope of Application: mainly used for all kinds of polyvinyl chloride(PVC) mainly plastic welding, welding, bronzing, blister packaging( including upper and lower double blister hot cut edge, blister and cardboard hot cut edge), trademark, stationery, blowing toys, plastic cover, cooling pad, cushion, all kinds of packaging bags, portable soft bags and other heat sealing processing, all kinds of concave and convex pattern, etc, simple device can also be installed for gilding.