Atmospheric volume waterproof and venting plug, DS38 waterproof and venting plug can achieve the balance of internal and external pressure difference of solutio...

WS17 vent plug can achieve the balance of the internal and external pressure difference of the solution packaging, and prevent it from denting or expanding.

High Barrier Composite Aluminum Foil Paper Seal Film for Medicinal Bottle Liner

PE/PP/PET Film Foil Plastic Packaging Bottle Sealing Induction Foil Sealing Film Roll Aluminum Film Foil