• How to make carton box Ⅳ : Know about corrugated cardboard

    In the corrugated packaging industry, it is necessary to know the relevant knowledge of corrugated paper. Although many bosses have made cartons for ten or twenty years, if you ask him the most commonly used A, B, C, E, the standard height of the four types of pits (also called 楞 shape), the main uses and differences What is it, I believe that there are not a few who can’t answer. There are many different packaging and transportation methods, such…

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