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The new-style keep-fresh device is a "water shade", it ventilates and enjoys the advantages of selective aeration,for example the gases inborned inside canbe released, however any molecules size over
Oxygen and other microbe are not allowed to go inside. It also offers enough moisture for the fruits whilekeep them fresh. This device functions like planting the fruit in the water thus you can enjoy the fresh fruit at any time. The water refraction endows the fruit with vivid life and all these show a beautiful picture.
Wang Gang Zhang Baoyi Zhang Yong