... -sealing performance 3.Excellent smoothness 4.Low bag-broken rate anti-aging and corrosion resistance ... many kinds of plastic packing bag and film,(2)for example color food bag, pet food bag(3)max ... -sealing performance 3.Excellent smoothness 4.Low bag-broken rate10ml packing roll film1.High seal ... .Good heat-sealing performance.Excellent smoothness.Low bag-broken rate2.Great battier of oxygen,moisture ...