Colour printing: matters to be noted
In the book printing china, it is common for many printed materials to use purple, generally purple ink unit price is low, such as single-sided printing need not worry, such as some packaging to double-sided printing，pay special attention to purple penetration.
In the book printing china, it is common for many printed materials to use purple, generally purple ink unit price is low, such as single-sided printing need not worry, such as some packaging to double-sided printing，pay special attention to purple penetration.
