puzzle books printing wholesale in the shrinkage phenomenon of what are the reasons
For the puzzle books printing wholesale, I believe everyone is no stranger, but for the printing shrinkage phenomenon may not be known. So what are the reasons for the shrinkage phenomenon in the puzzle books printing wholesale? Shrinkage hole is one of the faults of printing ink film due to poor leveling. After printing ink, wet ink shrinks into a small round bare substrate material or an...
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