Completion and training certificate: the mark of the inspection and inspection agency approved by the national quality inspection;
Anti-counterfeiting qualification certificate production training certificate can be changed to polyurethane oil, the first indentation when folding, thin paper should not be folded by hand. This fault can also occur when the anti-counterfeit certificate oil layer is too thick, and the oil quantity can be adjusted.
- Anti-counterfeiting training qualification certificate There are many methods for producing anti-counterfeiting certificate. According to the glazing coating, it can be divided into oxidative polymerization coating glazing, solvent evaporation coating glazing, thermosetting coating glazing, and photocurable coating glazing.
- According to the glazing coating method, it can be divided into spray coating glazing, printing coating glazing and special glazing coating glazing. If you press the glazing device, you can divide it into a glazing machine and a printing splicer. In addition, the product after glazing can be divided into whole surface light, partial glazing, extinction, and artistic glazing.