| 摘要 |
A method of making a foldable packing box comprising the following steps: step 1, making a pair of side boards with a side board body, two connecting parts foldably connected to the opposite sides of the side board body, and an installation part foldably connected to the side board body; step 2, making a base board, step 2 including: step 2.1, providing a second core board in a predetermined shape with an outer layer paper being pasted at the outer surface of the second core board; step 2.2, spraying paint to the peripheral surface of the second core board; step 2.3, defining a plurality of parallel base board grooves at the inner surface of the second core board according to the size of the predetermined packing box, so as to separately form a plurality of folding lines at the base board; step 3, respectively connecting the installation parts of the side boards to the opposite sides of the base board; step 4, pasting inner layer paper to the inner surface of the second core board; step 5, providing two fixing boards; and step 6, separately fixing the fixing boards to the base board, so as to produce a finished product of the foldable packing box.
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