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Recently, Xiao Bian received a report from a label printing company in the south. "Recently, the quality of our company's bronzing quality has been frequent . I don't know who is stalking from it?" After receiving the report, we set up a task force and opened the blessing for the first time. Ermo "edited" the road to solving the case.
1. Case discovery forensics
After receiving the report, Folmore “edited†to the scene at the first time and found that “the printed part of the field has a hot foil peeling off, white spots appear, hot stamping does not realize the image, and the text line has no problem.â€
Case discovery forensics 2. Investigation of the crime scene
At the scene, we first inspected the printing materials, and found that the surface of the printing material has no coating, and the surface tension value is greater than 38. Therefore, it can be judged that the surface energy of the printing material is not low and the crucible foil has poor firmness. Suspected exclusion!
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