How are the packaging bags printed?
We will engrave the design on the copper plate. Generally, it only takes 4~6 days to make the copper plate.
Each copper plate corresponds to a color. For example, your design has 5 colors. Then we need to customize 5 copper plates.
If the size is too large, the charging standard of the copper plate has changed, Our factory has been in the packaging bags industry for more than 17 years. We have rich experience in production and have professional technicians. welcome to inquiry with us!