In recent years, paper packaging containers have been welcomed by consumers because of their advantages such as low cost, resource saving, good mechanical processing performance, large-scale mechanized production, easy printing, harmless and non-toxic in use, and easy recycling. Moreover, because th
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2022-05
Paper tube factories are widely used in printing and dyeing, food, electronics, plastics and other industrial industries. The classification of paper tubes used in different industries is also different. Paper tubes also have their own classification. What are the classification of paper tubes? What
