The airless bottle is a container that uses the principle of vacuum negative pressure to improve the fine airtightness through the packaging material, and can isolate the gas from the outside temperature or external bacteria.However, the more sophisticated the container, the more high-quality raw ma
READ MORESome cosmetics that people use now are airless bottles that are pressed by more people. When using them, they only need to press a few times to come out, and then they can be accumulated in the palm of their hands. Then this kind of bottle is reliable. What principle can squeeze something out, and w
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