It has the function of location, convenient repair, a high degree of automation, operation simple, the advantages of a wide range of applications. Apply to the plastic composite film or plastic foil flexible packaging materials such as composite films. Of solid, liquid, powder and other food and drugs, chemical products, electronic components, precision instruments and meters and other items after vacuum packaging or vacuum gas filled packaging requirements. Packaged product to prevent oxidation, mildew, moth-eaten, corruption, damp can extend product shelf-life storage period preservation. |