The three border of the finished calmshell need to be folded first. And then paper card will be slide into the folded space by hand. The sealling machine is unnecessary.
Pls note:
1. it must be appropriate for paper card and folded trilateral blister, they can not be too tight or too loose
2. paper card and blister imust be fixed with some staples when the product is overweight
 
  
  
 
 
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