Some 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
READ MOREAs a silicate inorganic material, glass has relatively stable performance, clean and transparent, and is particularly suitable for packaging, storage and quality preservation of medicines. At the same time, the price of glass is relatively cheap compared to other materials. In recent years, with the
READ MORE