englishdo you know why the world lid box is so popular?
heaven and earth cover box is one of the common types of gift box structure and widely used. it is "sky box earth box". heaven and earth cover has been. it has a simple structure and can be machine produced in mass production, which can greatly improve the efficiency.
heaven and earth cover box according to the type of corrugated cardboard, there are 3, 5, 7 cartons. there are many different materials, types and thicknesses of heaven and earth cover boxes. it is usually used in three-tier boxes, such as regular boxes, heaven and earth boxes. boxes are enlivened by designs, printing and other processes and paper choices.
calculation formula of heaven and earth cover: heaven and earth box formula (2 height length 1)*(2 height width 0.5)*2
world cover box use: world cover is commonly used for gift boxes, jewelry boxes, christmas gift boxes, holiday gift boxes, handicraft packaging boxes, etc.
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