9 common problems in hot stamping process:
1.Hot stamping is not strong
2.The hot printed image is faint and dizzy
3.illegible, paste
4.The edges of the graphic are uneven and unclear
5.The graphic imprint is incomplete and lacks strokes
6.hot stamping or graphic hair
7.Hot stamping without luster
8. Hot stamping quality is unstable
9.Leakage after hot stamping
