... magazines, glasswares, high-quality floor boards, dry battery and so on. Feature: Polyvinyl chloride heat shrink packaging ... , nice transparency, waterproof, damp-proof, high antipollution and sound insulation property. Being a packaging material, it ... cannot only simplify the packaging technology and reduce the packaging volume, but also can ... SJ_50_55_60 Pvc Heat-shrinkable Film Production Line