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In addition, the printing substrate is not flat, running from side to side, displacement occurs when the complex is also easily lead to sticky side. The solution is: the printing substrate first with a volume level machine volume level treatment to ensure its displacement does not occur in the composite, it does not adhere to glue, sticky side to avoid rolling the finished product failure. For high-speed dry laminating machine, due to electric eye tracking, it does not deal with the volume level.