2-Minute video takes you to understand the production process of covering power test cardboard

Before the National Day, NBCHAO will take you into the production workshop of TQC hiding power cardboard in the Netherlands to see how the coating film test cardboard that everyone usually uses is made. Some details in it are particularly noteworthy. It reflects the difference between good cardboard and poor cardboard, and to a certain extent allows everyone to understand where it is expensive. This video is about 20M, 2 minutes.

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