Principles and characteristics:

It is possible to stamp or ink wheel code on paper, thin cardboard, non absorbent plastic film, and aluminum foil. Type A uses solid ink wheel printing or indentation printing; Type B uses fast drying liquid ink for printing, and can also use indentation printing; Type C adopts indentation printing. Printing with solid ink wheels or fast drying liquid ink, instant printing and drying, strong adhesion. Printing with solid ink wheels is particularly clean; The indentation printing has clear handwriting and a wide range of adaptability to the thickness of the printed object.

Specification：