... stretch films, plastic films, plastic composite films, paper-plastic composite films,aluminized films, aluminum foil, ... PVC, PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles, ... control, dual display;2.An external cylinder,printer inside, use friendly;3.Superior components imported ... Sealing Tester ( heat sealing test machinery )