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The product is designed for bags without sealing, which are afraid of humidity and air leakage, so as to achieve a better sealingeffect .The principleof this product is through the expansion of the air bag to clamp the plastic bag which is between the air bag and the plastic ring. For example, the productcan be used for
sealing the bag of rice, flour, tea and so on.
Zhengzhou University Of Light Industry
zheng zhou, China