Stamping is the process of stamping aluminum foil onto the surface of the substrate under a certain temperature and pressure.
Electro-aluminum foil stamping graphics show a strong metallic luster, bright and colorful, never fade. Especially gold and silver aluminum, with its rich, exquisite and elegant decorative embellishment of the printed surface, enhance the artistry of the print, to highlight the theme of the publicity effect; its brightness greatly exceeds the printing gold and printing silver, so that the product has a high-grade feeling and give people the enjoyment of beauty, is widely used in the decoration of packaging boxes, things, especially brand stamping trademark, more prominent brand, eye-catching.
Foil materials have a variety of colors, commonly used gold, silver, laser gold, laser silver, black, red, green and so on.

In addition, there is a process called embossing stamping, the principle is the same, only the stamping die needs two opposite die with each other, a concave surface, the other convex, under the action of pressure, hit a more three-dimensional image.